Retinol & SPF - Why they go hand-in-hand
| 5 minutes
Sunscreen isn’t just another step in your skincare routine—it’s the one thing standing between you and premature ageing regrets (aka fine lines, sunspots, and all the stuff you’re probably trying to avoid).
No matter the season, no matter where you live, sunscreen is non-negotiable.
Now, let’s talk about Retinol—one of the most popular skincare ingredients.
It’s hyped, it’s effective, but here’s the catch: Retinol won’t reach its full potential unless you pair it with sunscreen.
But why?
What actually happens if you don’t? Does Retinol lose its efficiency? Will your skin retaliate?
Let’s get into it. But first, the most important question.
What happens if you use Retinol without sunscreen?
“I will not be going out today, maybe I can skip the sunscreen and just use Retinol”
“It’s cloudy, I think just the Retinol is good enough”
These are the most common mistakes one makes while using Retinol.
Result?
Skin purging. Breakouts. Redness. Skin peeling and whatnot.
Retinol makes your skin more vulnerable to the sun because it speeds up how fast your skin renews itself.
Think of it like this: Retinol nudges your skin to shed old, dead cells faster and bring in fresh new ones.
That’s great for glow and texture, but in the process, the outermost layer—your built-in protective layer gets temporarily thinner.
With that layer slightly weakened, your skin is more exposed to sun damage.
And in the early days of using retinol, there’s often some redness and irritation, making it even less prepared to handle harsh sunlight.
Bottom line? Retinol is incredible, but sunscreen is its non-negotiable sidekick.
So ask yourself—aren’t these enough reasons to use sunscreen along with Retinol?
Even if you are at home or it’s cloudy outside—is it really worth the risk?
If you are still not convinced, here are some side effects of Retinol when not used with sunscreen.
Your skin will be at risk of sunburn
Without sunscreen, you're at a much higher risk of sunburn, which can damage the skin's outer layers and lead to inflammation and irritation.
Skin damage
Ironically, the sun accelerates the very things Retinol is trying to fix. UV exposure breaks down collagen, deepens wrinkles and leaves behind stubborn dark spots.
Retinol loses its efficacy
UV exposure not only cancels out Retinol’s benefits but also increases sensitivity, making your skin more prone to irritation and damage.
Furthermore, a scientific study shows that using Retinol and sunscreen together can help reduce visible signs of photoaging. They can also help maintain skin’s moisture and protect skin against UV damage.
If you’re serious about results, sunscreen isn’t optional—it’s essential.
Since Retinol makes skin sensitive to UV rays, should I avoid it in summer?
Yes, Retinol can be used throughout the year—regardless of the weather.
But again, in summer, you have to be cautious.
Sun is at its highest peak—and your skin because of Retinol is more at risk of sun damage than ever.
But if you apply a sufficient amount of sunscreen before leaving your house in the morning—Retinol is not likely to harm your skin in summer.
In fact, your skin will become smoother, healthy, and radiant.
A pro tip: Reapply sunscreen after every 6 hours. Sunscreen is not just a part of the morning skincare routine—it requires reapplication in the afternoon.
I use Retinol at night—do I still need sunscreen during the day?
It doesn’t matter when you apply retinol—morning, night (though night is best)—sunscreen isn’t optional.
Retinol penetrates into deeper layers of your skin—increasing collagen production and skin cell turnover rate.
So the Retinol you applied last night—is working even during the day.
Are there any benefits of using Retinol and sunscreen together?
While Retinol has plenty of benefits of its own—when paired with sunscreen—these benefits enhance—and the combination provides better, faster results.
1. Allows Retinol to work at its best
Retinol is well-known for its anti-ageing benefits. It’s the best skincare ingredient out there when it comes to reducing the appearance of fine lines and wrinkles.
How Retinol works is that it increases collagen synthesis and improves skin elasticity.
However, UV radiation degrades collagen by activating matrix metalloproteinases (MMPs), enzymes that break down collagen and elastin.
Using sunscreen with Retinol protects collagen from breaking down, allowing Retinol to do its job more effectively—leading to better results, faster.
2. Repairs and prevents sun damage
While Retinol’s job is to repair the damage caused by sun, sunscreen, on the other hand, ensures that no further damage is done to the skin.
This combination is perfect if you have sunspots or hyperpigmentation caused by UV rays.
While Retinol fades existing sunspots, sunscreen prevents them from getting worse or coming back.
3. Reduces the risk of irritation and sensitivity generally caused by Retinol
Retinol enhances skin sensitivity, increasing susceptibility to UV-induced redness and irritation.
Broad-spectrum sunscreen serves as a critical protective barrier, mitigating inflammation and improving the skin’s tolerance to Retinol.
A study published in Photodermatology, Photoimmunology & Photomedicine confirms that consistent SPF application significantly reduces irritation in Retinoid-treated skin, reinforcing the necessity of daily sun protection.
What SPF is necessary if I use Retinol?
There is a common misconception about sunscreens that if you use the highest level of SPF—which is 100—you can get the maximum sun protection.
A broad-spectrum, SPF 50 with PA++++ rating should do the job.
Make sure to apply about two-finger lengths of sunscreen to your entire face and neck.
Also, note that due to sweat, oil production and sun exposure—your sunscreen might break down after a few hours of application.
So reapply sunscreen every 6 hours or after heavy sweating.
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Do not mix these ingredients with Retinol
Retinol, or Vitamin A1, is one of the most celebrated ingredients in skincare, renowned for its ability to fight acne, reduce fine lines, boost collagen and brighten skin. However, despite its effectiveness, Retinol can be tricky to use and may not pair well with certain ingredients, potentially causing irritation, peeling or inflammation. This guide breaks down ingredients you should never mix with Retinol and the science behind it. It also offers expert tips on incorporating Retinol into your routine safely and effectively. Understanding Retinol and its effects Before diving into what not to mix with Retinol, it is essential to understand what Retinol does and how it interacts with your skin. What is Retinol? Retinol, a Vitamin A derivative, is a clinically proven compound known for its ability to accelerate cellular turnover, and stimulate collagen synthesis. These properties make it highly effective in managing acne, minimizing signs of aging and enhancing skin texture and tone for a more rejuvenated appearance. How Retinol Works? When applied to the skin, Retinol is converted into retinoic acid, which is its active form. This active ingredient works by attaching to special receptors in skin cells, where it helps speed up the process of shedding old, dead skin cells and replacing them with new ones. Retinol also boosts fibroblast activity that stimulates the production of elastin, which are proteins that keep the skin firm and reduce wrinkles. Ingredients to avoid mixing with Retinol While Retinol offers numerous skin benefits, it can react poorly with certain ingredients, diminishing its effectiveness or causing irritation. Understanding which ingredients don’t pair well with Retinol is crucial to maintaining a balanced skincare routine. Below are some key ingredients that should be avoided or used cautiously when incorporating Retinol into your regimen - 1. Exfoliating Acids (AHAs and BHAs) Alpha-hydroxy acids (AHAs) and beta-hydroxy acids (BHAs) are chemical exfoliants commonly used in skincare products to remove dead skin cells. AHAs like Glycolic Acid and Lactic Acid and BHAs like Salicylic Acid, work by breaking down the bonds between dead skin cells, revealing smoother skin underneath. Why it doesn’t mix well with Retinol Since Retinol is already an exfoliant, using AHAs or BHAs in conjunction with it can cause excessive exfoliation, leading to irritation, dryness and increased sensitivity. When you over-exfoliate your skin, it can disrupt the skin barrier, making your complexion more susceptible to damage from environmental factors like UV rays and pollution. Tip: If you are using an exfoliating acid, limit it to alternate nights, or use it in the morning while reserving Retinol for your night-time routine. This way, you can enjoy the benefits of both ingredients without causing irritation to your skin. 2. Vitamin C Vitamin C is an antioxidant that helps brighten the skin, protect against free radicals and even out skin tone. It also promotes collagen production, which can aid in skin firming. Why it doesn’t mix well with Retinol Retinol and Vitamin C work at different pH levels. Vitamin C (particularly in its L-ascorbic acid form) is most effective in an acidic environment, while retinol works better in a neutral to slightly acidic pH. When used together, they can neutralize each other, diminishing their effectiveness. Additionally, both are potent ingredients that can cause irritation when used together, especially for sensitive skin. Tip: To get the most out of both ingredients, use Vitamin C in the morning and Retinol at night. This allows each ingredient to work at its optimal pH without interfering with the other. 3. Benzoyl Peroxide Benzoyl peroxide is commonly used in acne treatments for its ability to kill acne-causing bacteria and reduce inflammation. It is highly effective for treating active breakouts. Why it doesn’t mix well with Retinol Benzoyl peroxide is a powerful ingredient that can cause drying on the skin. When combined with Retinol, both ingredients can intensify dryness, redness and peeling, leading to significant irritation. Additionally, Benzoyl Peroxide can break down the retinol molecule, making it less effective. Tip: Alternatively, use Benzoyl peroxide and retinol on alternate nights to prevent overloading your skin. 4. Physical Exfoliants Physical exfoliants include face scrubs with granules or tools like cleansing brushes and facial sponges that manually slough off dead skin cells. Why it doesn’t mix well with Retinol Retinol already accelerates the skin’s natural exfoliation process, so combining it with physical exfoliants can cause excessive irritation and redness. The abrasive action of scrubs or brushes can strip away the skin’s protective barrier, increasing overall skin sensitivity. Tip: Stick to gentle exfoliation and avoid using harsh scrubs at nights when you apply retinol. Opt for a mild cleanser that does not disrupt the skin’s balance. 5. Hydroquinone Hydroquinone is a skin-lightening agent that helps fade dark spots, hyperpigmentation, and melasma by inhibiting melanin production. Why it doesn’t mix well with Retinol Both retinol and hydroquinone are powerful treatments for the skin. While they work well individually, combining them can be too much for the skin to handle, leading to irritation, redness, and peeling. Additionally, both ingredients can increase skin sensitivity, particularly to sunlight. Tip: Consult a dermatologist if you need both retinol and hydroquinone in your skincare routine. 6. Essential Oils Essential oils are concentrated plant extracts known for their aromatic properties and potential skin benefits, such as soothing or anti-inflammatory effects. Why it doesn’t mix well with Retinol Essential oils can be irritating to the skin, especially when used with a potent ingredient like Retinol. Some essential oils, such as tea tree oil or citrus oils, can be photosensitive, which increases the risk of sun damage. Others might have a tendency towards allergic reactions or irritation when paired with Retinol. Tip: If you want to use essential oils in your skincare routine, avoid mixing them with retinol. Always conduct a patch test before applying them to your face. 7. Fragrance-heavy Products Fragrance-heavy skincare products contain high concentrations of synthetic or natural fragrances, which are added to enhance the scent of the product. Such fragrances can cause irritation, allergic reactions, or sensitivity, particularly for those with sensitive skin or conditions like eczema or rosacea. Why it doesn’t mix well with Retinol Fragrances are known to irritate the skin, particularly when combined with active ingredients like Retinol. The alcohol or synthetic chemicals in fragranced products can dry out the skin, making it more prone to sensitivity and allergic reactions. Tip: Opt for fragrance-free non-comodogenic skincare products when using retinol. This helps minimize irritation and ensures your skin remains calm and hydrated. General Tips for Using Retinol Safely To maximise the benefits of Retinol while minimizing potential side effects, it is important to follow a few key guidelines. These tips focus on ensuring that the skin adapts to retinol gradually, helping you achieve the best results without discomfort or damage. Let us dig in a few essentials - Start slowly If you are new to Retinol, start by using it once or twice a week and gradually increase the frequency as your skin gets used to it. This helps reduce the risk of irritation. Hydrate and moisturise Retinol can dry out the skin, so it is important to keep your skin hydrated. Use a nourishing moisturiser enriched in Ceramides to prevent dryness and soothe the skin. Use sunscreen Retinol increases the skin’s sensitivity to the sun. Always apply broad-spectrum sunscreen with SPF 50 or higher during the day, even if you are indoors. Frequently Asked Questions Q.1 What is the difference between Retinol and Retinoid? Retinol is a type of retinoid, which is a broader category of Vitamin A derivatives. Retinoids include stronger prescription options like tretinoin, while retinol is available over the counter and is considered gentler, making it suitable for those with sensitive skin. Both work by increasing cell turnover and collagen production but vary in potency and side effects. Q.2 How do I layer Retinol in my skincare routine? Retinol should be applied after cleansing and toning, but before moisturising. Take a small amount of Retinol on your finger tips and apply it evenly across your face. Follow up with a moisturizer to lock in hydration. If using other actives, apply Retinol in the evening, as it increases sensitivity to UV light. Always apply sunscreen the next morning. Q.3 Should I use retinol if I have sensitive skin? Retinol can be used on sensitive skin, but it should be introduced cautiously. Start with a low concentration (such as 0.1%) and use it 1-2 times a week. Gradually increase use as your skin builds tolerance. Pairing Retinol with soothing ingredients like Hyaluronic Acid can help prevent irritation.
What is the right age to start using Retinol?
Once you turn 25, the skin ageing process starts accelerating rapidly. Incorporating retinol at the right time into your skincare regimen can prove beneficial in ensuring the longevity of youthful-lookin skin.
How Effective is Retinol for Treating Acne?
Does Retinol really help with acne? Find out in this post. Plus, learn whether this anti-ageing miracle can also help with acne scars and dark spots.
2 sunscreen ingredients to avoid—know safer alternatives
Looking for a healthy and safe sunscreen for your skin? Here're 2 unsafe ingredients to avoid and look for these 5 best ingredients on sunscreen labels.
Mineral vs Chemical Sunscreen - The Right One For Your Skin
Applying sunscreen regularly is one of the simplest—and the most effective—ways to maintain your skin’s health and appearance. No matter what age you are—you can always benefit from sunscreen. It prevents sunburn, reduces the risk of skin cancer, prevents premature ageing, reduces hyperpigmentation, etc. You can say even sunscreen is the main character of your skincare routine. But, have you ever wondered what type of sunscreen is right for your skin? There are two types of sunscreens available—chemical and mineral sunscreen. When discussing these two types of sunscreens, questions such as "Which one is more effective?" or "Which one stays longer on skin and offers better UV protection?" are bound to come up. Well, this blog answers all the questions. Let’s get the low down on everything you need to know about mineral vs chemical sunscreen. View this post on Instagram A post shared by Re'equil (@reequil) What is mineral sunscreen? Mineral sunscreen, commonly referred to as inorganic or physical sunscreen, works by reflecting or scattering UV rays—they contain active ingredients that are metal oxides—such as zinc oxide or titanium dioxide. When you apply mineral sunscreen on your body or face, they basically work as sheets of metal and oxygen—or you can say they are opaque in nature (not see-through). Thus, it makes sense that mineral sunscreen doesn’t absorb into your skin—it rather sits on top of your skin. Moreover, mineral sunscreens are better for individuals with sensitive skin, acne, or skin conditions like eczema. Such sunscreens are usually non-irritating and do not cause any adverse effects. The 2019 FDA report says that zinc oxide and titanium dioxide are GRASE (generally recognized as safe and effective) for use in sunscreens. A 2019 study says that due to the reflective properties, mineral sunscreens are also called sunblocks, a term less used nowadays for sunscreen. However, there is one challenge that many face with any mineral sunscreen—that it may leave behind an excessive shine or a white cast—which usually limits the cosmetic acceptance of mineral sunscreens. What is chemical sunscreen? Chemical sunscreen forms a protective shield on your skin to absorb UV rays. When applied, its ingredients penetrate the epidermal layer. Upon contact with UV rays, chemical sunscreen converts the rays into harmless heat via a chemical reaction, preventing them from reaching the epidermal layer. The heat is then released from your skin. This conversion is crucial because you don't want UV rays to reach the epidermal layer of your skin, where your melanin is. If melanin absorbs UV rays, it can cause serious damage like hyperpigmentation and accelerate the skin ageing process. Chemical sunscreens generally have the following ingredients - Oxybenzone Octinoxate Octisalate Avobenzone Chemical sunscreens are also cosmetically accepted as they blend easily with makeup and don’t usually leave a white cast. They absorb instantly and don’t make your face look greasy or shiny. However, some people are hesitant to use chemical sunscreen because the ingredients in it can cause an adverse reaction—especially if the sunscreen comes in contact with the eyes. Moreover, the FDA report does not classify the chemical sunscreen ingredients as GRASE (generally recognized as safe and effective). What are the key differences between a chemical and mineral sunscreen? Here’s a breakdown of the differences between a chemical and mineral sunscreen—knowing them can help you figure out which one is better for your skin type and concerns. Chemical sunscreens Mineral sunscreens Absorbs UV rays Reflects UV rays Contains carbon-based ingredients like oxybenzone, avobenzone, etc. Contains inorganic compounds like zinc oxide and titanium dioxide Thinner texture, spreads evenly and gets absorbed instantly Has a thicker texture, difficult to spread evenly on the face Takes about 20 minutes after application to provide protection from UV rays Provides immediate protection More transparent finish, leaves no white cast Opaque in nature, can leave an extra shine and white cast Can cause an allergic reaction to some individuals and clog the pores Considered safe for all skin types and recommended by dermatologist to individuals with sensitive, acne-prone skin Chemical vs mineral sunscreen: which one protects the skin from UV rays for longer? Both mineral and chemical sunscreens offer the same duration of sun protection. While it may seem that chemical sunscreens, because they penetrate the skin, offer longer-lasting UV protection than mineral sunscreens. But that is not the case—how long sunscreen stays on your skin depends on your activity throughout the day, such as if you are swimming or sweating—along with how much sunscreen you apply. Which one is more suitable for individuals with acne? Mineral sunscreen ingredients are typically more suitable for acne-prone and sensitive skin. Zinc oxide and titanium dioxide are among the safest sunscreen ingredients. They are gentle on the skin and do not cause adverse reactions. Additionally, mineral sunscreen ingredients are non-comedogenic, meaning they won't clog your pores. Zinc oxide, in particular, can help improve acne by fighting germs, and healing wounds, and acne lesions. It also contributes to sebum regulation, making mineral sunscreens an ideal choice for individuals with oily skin. Which one is better, chemical or mineral sunscreen? Many of the points discussed in this blog suggest that mineral sunscreen is superior to chemical sunscreen. However, it is all about your preference and skin type. If appearance is not your biggest concern and you are okay with a little white cast or extra shine on your face—you can go with the mineral sunscreen. It provides broad-spectrum protection and contains inorganic ingredients. On the other hand, if you are an individual who usually wears makeup, chemical sunscreen is a better option for you since it blends easily and does not leave behind any greasiness or white cast. In terms of sun protection, there really isn’t much difference between mineral and chemical sunscreen—both effectively protect your skin from UV rays. And if you can’t seem to choose between a mineral or chemical sunscreen—you can go ahead with a hybrid sunscreen—it contains both inorganic and organic ingredients.
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