Skin school, Anti-aging, Skincare, Sun care

6 Best Sunscreens to Use with Tretinoin in 2023

Best Sunscreen to Use with Tretinoin

written by Emma Wilson

updated on

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So you’re keen on starting tretinoin (aka Retin-A), and you’ve seen the stellar before and after pictures. But you’ve also heard that tretinoin is not your average drugstore aloe gel.

If you’re unfamiliar with tretinoin, step back and read our Complete Guide to Tretinoin.

Tretinoin increases sun sensitivity. Therefore, sun protection is vital to avoid sun damage. Tretinoin and sunscreen go hand in hand because sunscreen is mandatory on any retinoid.

Not using sunscreen leaves your skin extremely vulnerable to sun damage and does more long-term harm than short-term good. Deep-color-skinned folks also need to wear sunscreen!

best sunscreen for tretinoin users
Tretinoin and sunscreen by Emma Wilson for Garden of Muses

I can not stress this enough if you cannot commit to sunscreen daily, do not start tretinoin. Tretinoin makes you sun-sensitive for up to 2 weeks, so wear sunscreen for up to 2 weeks after stopping tretinoin.

What Type of Sunscreen Should I Use with Tretinoin?

With tretinoin, you need a minimum of SPF 50, PA++++ (UVA protection). A quick reminder is that UVA rays cause tanning, hyperpigmented sunspots, and ultimately fine lines and wrinkles. UVB causes sunburn. Both can cause skin cancer.

What Does PA Stand For?

The “SPF” rating only rates UVB protection, not UVA protection. In Asian Beauty, UVA protection is rated by PPD (persistent pigment darkening) or the PA system, which classifies PPD levels in a product.
We can understand what PPD means pretty easily. If our bare skin started tanning (the first stage of UVA skin damage) in 10 minutes, and then we applied sunscreen on our skin, then only started tanning in 160 minutes, the sunscreen has a PPD of 16. PPD is thus a UVA damage resistance multiplier for the skin.
The PA system is what Asian beauty products are most commonly classified under, rather than disclosing their PPD outright.

PA++++:PPD 16 or higher
PA+++:PPD 8-15
PA++:PPD 4-7
PA+:PPD 2-3

So we want photostable UV filters, especially for most of us who don’t reapply sunscreen throughout the day.
We often get stuck in discussions on PPD values, filter preferences, and so on, but even the best sunscreen on paper won’t do any good if you dread applying it or apply too little.
Another critical point is that sunscreen is only one aspect of appropriate sun protection and should be complemented with UPF hats and clothes and wise sun behaviors (avoid sunbathing, seek shadow during the central hours of the day, and so on).

How Much Sunscreen Should I Apply?

All dermatologists agree that the most crucial point regarding sunscreen is applying enough to get the advertised protection. When sunscreens are tested for SPF labels, it is always applied at a density of 2mg/cm², approximating half a teaspoon for the face and neck. The mentioned quantity is needed for sunscreen to form a uniform film on our skin, which is crucial for optimal protection. That translates to about 0.9-1,4 grams of product, which you must use every time for face only.

People don’t need to bother with numbers to tell the amount of sunscreen for the face quickly; they can use the “two-finger rule sunscreen.” For most people, two full-length fingers of sunscreen are enough for the face only, and three fingers for the face, neck, and ears. Make-up with SPF alone won’t work unless you apply the same amount required for a dedicated sunscreen. Most people will not want to wear that amount of makeup. You can add extra SPF from makeup but not rely on it.

tretinoin and sun exposure
Tretinoin and sunscreen by Emma Wilson for Garden of Muses

This method is imperfect because the amount of product on your fingers significantly varies from product to product, depending on the vehicle, thickness, etc. That’s why it would be wise to measure approximately how much product you need and measure it for every sunscreen you use because it will vary. There are several ways to do that:

  1. Use teaspoons to measure. About a fourth to a third of a teaspoon would be needed. This is again flawed because you can only measure approximately.
  2. Measure the estimated surface area of your face using this method. It should be around 400-500 cm squared, and you can add 10-20% to that, considering that our face is a 3D model. Then multiply that by 2, and you’ll have the estimated amount of sunscreen you need to apply to your face in milligrams. Get a small 2ml syringe, and measure precisely how much sunscreen you’d need (if we estimate 1g = 1ml). Now, use the syringe to dispense the sunscreen to your palms or your fingers, so you can feel how much you should be using each subsequent time.
  3. After measuring out your face, measure out the correct amount on a digital scale that measures in milligrams if you have one.

We just want to note that this is not required for optimal protection, but it is helpful for preventing you from under or over-applying your sunscreen.

To put it briefly, you always need to apply enough sunscreen!

When to Apply Sunscreen?

tretinoin skincare routine women morning
Tretinoin and sunscreen by Emma Wilson for Garden of Muses

Sunscreen must be applied in the morning, at the last step of your tretinoin skincare routine.

Must I Reapply Sunscreen?

You should reapply sunscreen at least every two hours after showering, swimming, heavy sweating, etc. This is because the uniform film needed for the sunscreen to properly work breaks down during that period, and it needs to be formed again, regardless of whether you were exposed to sunlight in that period or not.

You must reapply sunscreen even if you are wearing makeup. Study shows that layering sunscreen with makeup is recommended because it may compensate for insufficient or incorrect sunscreen application, and it provides an additional source of UV protection and improves the coverage [1].

Windows do not block UVA rays, but the amount of UVA rays that reach you indoors depends on many variables. Here is a very useful video by Lab Muffin explaining the situation and we suggest you see it and decide for yourself if and when you need to wear your sunscreen indoors. We would like to note that it is still better to wear sunscreen when you don’t need to than accidentally not wearing it when you do need it, so the best practice is still putting on sunscreen every day regardless of what you’re planning to do that day.

Sunscreen does not need to sink into work: mineral and chemical sunscreens form a film on the skin that mainly absorbs UV rays and prevents the sun from causing damage.
Sunscreen filters have improved significantly in recent years, but the FDA in the US has not yet approved them. They are safe and effective.

What Happens If I Don’t Wear Sunscreen While Using Tretinoin?

Not wearing sunscreen while on tretinoin creates more damage than the tretinoin is supposedly correcting.

Tretinoin Damaged Skin Barrier from not wearing sunscreen
Damaged skin barrier from not wearing sunscreen while on tretinoin by Emma Wilson for Garden of Muses

Tretinoin rapidly turns over cells. New cells should never be exposed to solar radiation. When anyone uses retinoids, they must wear sunscreen to protect the dermis.

In the short run, you risk burning your skin and damaging your skin barrier. In the long run, unprotected sun exposure creates hyperpigmentation, especially for those sensitized by retinoids.

Hyperpigmentation from sun exposure is a genuine concern. It’s one of the 14 significant pathways of the cascade effect of hyperpigmentation. Sun exposure is aging as it will break down the structural proteins and may create lipofuscin (age spots).

Should I Stop Using Tretinoin during the Summer Months
Using Tretinoin during the Summer Months by Emma Wilson for Garden of Muses

Should I Stop Using Tretinoin during the Summer Months?

The short answer is NO! For a more detailed explanation, I would consider a few points:

  1. Plenty of people live in tropical countries where the sun shines all year round, and they can use tretinoin without any issue with appropriate sun protection.
  2. The skin is more sensitive to the sun during retinization, but after a few months of consistent use, it returns to its natural state, so appropriate sun protection is enough.
  3. Pausing tretinoin during the summer would imply going through retinization every fall, which is not desirable.
  4. Appropriate sun protection should be the cornerstone of any anti-aging regimen regardless of the products used; taking a break from tretinoin cannot be a “free pass” for unprotected sun exposure since that would erase all the benefits of your skincare.

Should I Continue Using Sunscreen Even If I Am Breaking Out?

Yes! Use a non-comedogenic sunscreen daily, even in the initial purging stages.

The Best Sunscreen to Use with Tretinoin

Tretinoin users wondering, “What is the best sunscreen to use with tretinoin?” should know that the best sunscreen is the one you can use in an adequate amount and are glad to reapply throughout the day. The best sunscreen is one you’ll use. Pick one that has a consistency you like and will use to suit your skin needs. If you have an SPF 30+ sunscreen you love, use that!

And remember, skin needs can change over time.

1. Beauty of Joseon Relief Sun: Rice + Probiotics

Beauty of Joseon Relief Sun Rice Probiotics
Beauty of Joseon Relief Sun: Rice + Probiotics by Mia Peterson for Garden of Muses. *Affiliate links below

The Beauty of Joseon Relief Sun is an absolute dream for its effectiveness, price, and overall how it sits and feels on my skin. This sunscreen sits beautifully underneath makeup and helps my makeup last on some of the most sweltering hot days. It feels weightless, has no white cast or scent, and stays put. There is a reason why this is one of my favorites and why I have been using this religiously over the past few months. Read the in-depth review of Beauty of Joseon Relief Sun: Rice + Probiotics.

Beauty of Joseon Relief Sun Ingredients List (last check 2023)

Water, Oryza Sativa (Rice) Extract (30%), Dibutyl Adipate, Propanediol, Diethylamino Hydroxybenzoyl Hexyl Benzoate, Polymethylsilsesquioxane, Ethylhexyl Triazone, Niacinamide, Methylene Bis-benzotriazolyl Tetramethylbutylphenol, Coco-caprylate/Caprate, Caprylyl Methicone, Diethylhexyl Butamido Triazone, Glycerin, Butylene Glycol, Oryza Sativa (Rice) Germ Extract, Camellia Sinensis Leaf Extract, Lactobacillus/Pumpkin Ferment Extract, Bacillus/Soybean Ferment Extract, Saccharum Officinarum (Sugarcane) Extract, Macrocystis Pyrifera (Kelp) Extract, Cocos Nucifera (Coconut) Fruit Extract, Panax Ginseng Root Extract, Monascus/Rice Ferment, Pentylene Glycol, Behenyl Alcohol, Poly C10-30 Alkyl Acrylate, Polyglyceryl-3 Methylglucose Distearate, Decyl Glucoside, Tromethamine, Carbomer, Acrylates/C10-30 Alkyl Acrylate Crosspolymer, 1,2-Hexanediol, Sodium Stearoyl Glutamate, Polyacrylate Crosspolymer-6, Ethylhexylglycerin, Adenosine, Xanthan Gum, Tocopherol, Lactobacillus/Rice Ferment, Aspergillus Ferment, Saccharomyces/Rice Ferment Filtrate.

Ingredients referred from the Beauty of Joseon Official Website.

UV filters Herbs Humectant/Moisturizing Active Ferments

2. Missha All-Around Safe Block Waterproof Sun Milk

Missha All Around Safe Block Waterproof Sun Milk and box
Missha All-Around Safe Block Waterproof Sun Milk by Diana Brown for Garden of Muses. *Affiliate links below

My favorite sunblock. Nongreasy, proven waterproof, no white build-up or non-noticeable, even sweaty. Grab Missha All Around Safe Block Waterproof Sun Milk, and you’re ready.

Missha Waterproof Sun Milk Ingredients List (last checked 2023)

Water, Cyclopentasiloxane, Homosalate, Silica, Ethylhexyl Salicylate, Titanium Dioxide (CI 77891), Butylene Glycol, Lauryl PEG-10 Tris(Trimethylsiloxy)Silylethyl Dimethicone, Diethylamino Hydroxybenzoyl Hexyl Benzoate, Glycerin, C12-15 Alkyl Benzoate, Alcohol Denat, Helichrysum Arenarium Extract, Bis-Ethylhexyloxyphenol Methoxyphenyl Triazine, Isopropyl Palmitate, Dimethicone, PEG-10 Dimethicone, Magnesium Sulfate, Aluminum Hydroxide, Dimethicone/Vinyl Dimethicone Crosspolymer, Stearic Acid, Fragrance, Triethoxycaprylylsilane, Phenoxyethanol, Quaternium-18 Bentonite, Silica Dimethyl Silylate, Sodium Benzoate, Acrylates/Dimethicone Copolymer, Tocopheryl Acetate, Disodium EDTA, Potassium Sorbate, Caprylyl Glycol, VP/Hexadecene Copolymer, Psidium Guajava Leaf Extract, Cinchona Succirubra Bark Extract, Abronia Villosa Leaf Extract, Aloe Barbadensis Leaf Extract, Eucalyptus Globulus Leaf Extract, Rhodiola Rosea Root Extract.

Ingredients referred from Missha’s official website.

Sunscreen filters Herbal Moisturizing/Humectant Active Fragrance Potential Irritant

3. Cosrx Vitamin E Vitalizing Sunscreen

Cosrx Vitamin E Vitalizing Sunscreen - best tretinoin sunscreen for dry flaky skin
Cosrx Vitamin E Vitalizing Sunscreen by Mia Peterson for Garden of Muses.*Affiliate links below

This incredibly moisturizing sunscreen is too good to be true. Perhaps a little too much for oily skin types; this sunscreen is better for drier skin types. It provides sun protection for tretinoin users and moisturizes beautifully flaky and dry skin. Read the in-depth review on the Cosrx Vitamin E Vitalizing Sunscreen.

COSRX Vitamin E Vitalizing Sunscreen Ingredients List (last checked 2023)

Water, Propanediol, Homosalate, Octocrylene, Ethylhexyl Salicylate(Octisalate), Butyloctyl Salicylate, Butyl Methoxydibenzoylmethane (Avobenzone), Diphenylsiloxy phenyl Trimethicone, Dimethicone, VP/Eicosene Copolymer, Silica, Trisiloxane, Cyclopentasiloxane, Trimethylsiloxysilicate, 1,2-Hexanediol, Behenyl alcohol, Glyceryl stearate, PEG-100 stearate, C14-22 alcohols, Cetyl alcohol, Potassium cetyl phosphate, Polyacrylate-13, Polyisobutene, Fragrance / Parfum, C12-20 Alkyl glucoside, Butylene glycol, Disodium EDTA, Ethylhexylglycerin, Polysorbate 20, Sorbitan Isostearate, Dextrin, Theobroma cacao (cocoa) extract, Gossypium herbaceum (cotton) extract, Glucose, Tocopherol.

Ingredients referred from the COSRX’s official website.

Sunscreen Filters Active Herbal Moisturizing/Humectant Fragrance

4. Jumiso Waterfull Hyaluronic Sunscreen

Jumiso Waterfull Hyaluronic Sunscreen - best tretinoin sunscreen for combo skin
Jumiso Waterfull Hyaluronic Sunscreen by Mia Peterson for Garden of Muses. *Affiliate links below

The Jumiso Waterfull Hyaluronic Sunscreen is the Asian Beauty community’s latest darling. It has a healthy and dewy finish but doesn’t look or feel oily. It dries in about three minutes and wears nicely under makeup. If you wish, read my in-depth Jumiso Waterfull Hyaluronic Sunscreen review here.

Jumiso Waterfull Hyaluronic Sunscreen Ingredients List (last checked 2023)

Water, Dipropylene Glycol, Dibutyl Adipate, Phenethyl Benzoate, Titanium Dioxide (CI 77891), Isononyl Isononanoate, Coco-Caprylate/Caprate, Diethylamino Hydroxybenzoyl Hexyl Benzoate, Glycerin, Niacinamide, Bis-Ethylhexyloxyphenol Methoxyphenyl Triazine, Ethylhexyl Triazone, Nylon-12, Polysilicone-15, Terephthalylidene Dicamphor Sulfonic Acid, 1,2-Hexanediol, Polyglyceryl-3, Methylglucose Distearate, Potassium Cetyl Phosphate, Behenyl Alcohol, Poly C10-30 Alkyl Acrylate, Polyhydroxystearic Acid, Silica, Tromethamine, Sodium Acrylates Crosspolymer-2, Hydroxyethyl Acrylate/Sodium Acryloyldimethyl Taurate Copolymer, Aluminum Hydroxide, Hydroxyacetophenone, Stearic Acid, Sodium Polyacryloyldimethyl Taurate, Polyacrylate Crosspolymer-6, Polyglyceryl-2 Dipolyhydroxystearate, Disodium EDTA, T-Butyl Alcohol, Butylene Glycol, Hyaluronic Acid, Ethylhexylglycerin, Hydrolyzed Hyaluronic Acid, Sodium Hyaluronate.

Ingredients referred from the Jumiso official website.

Sunscreen filter Moisturizing/Humectant Active

5. Pyunkang Yul ATO Mild Sun Cream

pyunkang yul ato mild sun cream - best tretinoin sunscreen for atopic skin
Pyunkang Yul ATO Mild Sun Cream by Mia Peterson for Garden of Muses.*Affiliate links below

With all the hyped sunscreens on the market, I was pleasantly surprised by how this one felt in use. I purchased this in need of barrier protection for my dry tret skin.

It blends very well for a physical sunscreen, and even though it doesn’t have the crystal clear finish that many chemical sunscreens have, the finish of this is very smooth and satin-like. There’s no white cast in the traditional old-school sunscreen sense. However, there is a slight brightening/whitening/ or, be it, a ‘tone up effect’ that I enjoy and sometimes even reach for over the invisible sunscreen types.

Read the in-depth Pyunkang Yul ATO Mild Sun Cream review.

Pyunkang Yul ATO Mild Sun Cream Ingredients List (last checked 2023)

Water, Zinc Oxide, Cyclopentasiloxane, Homosalate, Butyloctyl Salicylate, Propanediol, Ethylhexyl Salicylate, Propylheptyl Caprylate, Polyglyceryl-4 Diisostearate/​Polyhydroxystearate/​Sebacate, Titanium Dioxide, Disteardimonium Hectorite, Polyglyceryl-3 Polydimethylsiloxyethyl Dimethicone, Magnesium Sulfate, Phenyl Trimethicone, 1,2-Hexanediol, Polymethylsilsesquioxane, Acrylates/​Dimethicone Copolymer, Triethoxycaprylylsilane, Stearic Acid, Aluminum Hydroxide, Glyceryl Caprylate, Caprylyl Glycol, Ethylhexylglycerin, Tocopherol, Ceramide NP (Ceramide 3), Sodium Hyaluronate, Butylene Glycol, Dipropylene Glycol, Glycerin, Camellia Sinensis Leaf Extract, Artemisia Princeps Leaf Extract, Ulmus Davidiana Root Extract, Xanthium Strumarium Fruit Extract, Salicornia Herbacea Extract, Zingiber Officinale (Ginger) Root Extract, Lonicera Caprifolium (Honeysuckle) Flower Extract, Glycyrrhiza Glabra (Licorice) Root Extract, Poncirus Trifoliata Fruit Extract, Sophora Angustifolia Root Extract, Allium Sativum (Garlic) Bulb Extract.

Ingredients referred from INCIDecoder.

Sunscreen filters Herbal Moisturizing/Humectant Brightening

6. Goodal Houttuynia Cordata Calming Moisture Sun Cream

Goodal Houttuynia Cordata Calming Moisture Sun Cream in hand 5
Goodal Houttuynia Cordata Calming Moisture Sun Cream by Adela Wong for Garden of Muses.*Affiliate links below

Goodal Heartleaf Calming Moisture Sun Cream is an underrated sunscreen. It is better than the Round Lab Birch Juice Moisturizing Sun Cream. It doesn’t sting my eyes. It is a cosmetically elegant, moisturizing, non-sticky, non-greasy, antioxidant, and calming sunscreen with no white cast. Please read Adela’s Goodal Heartleaf Calming Moisture Sun Cream Review.

Goodal Heartleaf Calming Moisture Sun Cream Ingredients List (last checked 2023)

Water, Dibutyl Adipate, Propanediol, Polymethylsilsesquioxane, Diisopropyl Sebacate, Diethylamino Hydroxybenzoyl Hexyl Benzoate (Uvinul A Plus), Ethylhexyl Triazone (Uvinul T 150), Methylene Bis-Benzotriazolyl Tetramethylbutylphenol (Tinosorb M), Coco-Caprylate/​Caprate, Diethylhexyl Butamido Triazone (Iscotrizinol), Butylene Glycol, Glycerin, 1,2-Hexanediol, Caprylyl Methicone, Houttuynia Cordata Extract, Pentylene Glycol, Behenyl Alcohol, Polyglyceryl-3 Methylglucose Distearate, Decyl Glucoside, Tromethamine, Carbomer, Acrylates/​C10-30 Alkyl Acrylate Crosspolymer, Sodium Stearoyl Glutamate, Polyacrylate Crosspolymer-6, Ethylhexylglycerin, Xanthan Gum, T-Butyl Alcohol, Tocopherol.

Ingredients referred from INCIDecoder.

UV filters Herbs Active Ferments Humectant/Moisturizer

Does Tretinoin Damage the Skin Barrier?

Is Your Skin Barrier Damaged and How to Repair It?

Tretinoin Peeling – OMG! Half My Face Is Flaking Off at the Office!

Tretinoin Skincare Routine – Designed for Absolutely No Irritation

Tretinoin, the Superstar of Skin Renewal

The Tretinoin Purge – How Long Does It Last?

Final Thoughts

Keeping your skin protected from the sun is one of the easiest ways to keep it looking younger for longer, and with so many great textures and formulas available now for every skin type, there is no excuse not to wear SPF every day.

The quest for the perfect sunscreen can be long and complicated, and everyone will have different preferences. It’s worth pointing out that the best sunscreen for tretinoin users is the one you are happy to apply every morning and reapply during the day as needed without any discomfort.
Besides sunscreen, wearing sun-protective clothes is also an excellent way to avoid sun damage. Investing in a well-made wide-brimmed hat with SPF 50+ is an excellent idea.

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