Works for:
based on ingredients and %- Exfoliation
- Moisturizing
- Evens skin tone
- Anti-aging
Can it cause trouble?
- Irritation risk: high
- Comedogenic risk ingredients: 0
Key actives
Product Summary
"COSRX - Natural BHA Skin Returning A-Sol Toner" is effective for: Anti-inflammatory, Exfoliation, Evens skin tone, Anti-aging and Moisturizing
This product could be helpful for: Anti-blemish, but its actives are not the most effective or are not well-studied.
Ingredient callouts
- Exfoliating acids (lactic acid 2.60% - 3.80% and glycolic acid 1.40% - 2.00%). In this concentration, they will have a noticeable exfoliating effect. They can also have an anti-aging effect and stimulate collagen production in a long-run. Lactic Acid can also help to attract water to the upper layer (works as a humectant).
- An effective concentration of Panthenol (pro-vitamin B5) - about 0.50% - 1.20%. Panthenol helps strengthen the skin barrier, improve hydration and reduce inflammation in skin.
- Humectants (sodium lactate 3.30% - 4.90%, sodium hyaluronate 0.80% - 1.25%, panthenol 0.50% - 1.20% and lactic acid 2.60% - 3.80%). These ingredients help attract water to the upper layer of the skin and improve the skin hydration.
About the brand
According to Cruelty-Free Kitty "COSRX" is cruelty free and so is its parent company.
Price
The product retails for 16.20£ in the United Kingdom.
For a detailed price comparison: click here.
Anti-aging
This product can help reduce and prevent fine lines and wrinkles, improve skin elasticity and firmness because it contains glycolic acid.
These ingredients in the product can also be helpful, even though there is less evidence for their effectiveness: lactic acid.
Keep in mind that it typically takes at least 6 weeks to notice any results because the changes that are needed to improve fine lines and elasticity happen in the deeper layers of the skin. No topical anti-aging product can “erase” wrinkles or fully reverse signs of aging.
An alpha-hydroxy acid (AHA) that helps to remove the dead skin cells on the surface of the skin reveling a more even, smoother complexation. It is also able to stimulate collagen production with long-term use. Could help to reduce pore congestion. It can be irritating to the skin. Apply sunscreen daily if using products with glycolic acid
An exfoliating and moisturizing alpha-hydroxy acid (AHA). Typically causes less irritation than other AHAs, for example, glycolic acid. At high concentrations (about 15%), lactic acid can help reduce lines and wrinkles. Recent studies show that lactic acid can support the "good" bacteria living on skin's surface (healthy skin microbiome)
Evens skin tone
This product can help reduce hypepigmentation and even out the skin tone because it contains the following effective ingredients: betaine salicylate, glycolic acid, lactic acid
Keep in mind that you would need to apply any topical skincare targetted at hypigmentation consistently for a couple of months to get a result. No topical skincare product can help get rid of hyperpigmentation (including post-acne marks and age spots) instantly.
An exfoliating and moisturizing alpha-hydroxy acid (AHA). Typically causes less irritation than other AHAs, for example, glycolic acid. At high concentrations (about 15%), lactic acid can help reduce lines and wrinkles. Recent studies show that lactic acid can support the "good" bacteria living on skin's surface (healthy skin microbiome)
An alpha-hydroxy acid (AHA) that helps to remove the dead skin cells on the surface of the skin reveling a more even, smoother complexation. It is also able to stimulate collagen production with long-term use. Could help to reduce pore congestion. It can be irritating to the skin. Apply sunscreen daily if using products with glycolic acid
Exfoliation
What does the product description say?
Combining BHA and Black Bee Propolis, the toner effortlessly melts dirt and dead skin cells from the surface of the skin.
Source: Lookfantastic
This product can help exfoliate the skin. In other words, it helps break down the bonds between dead cells on the surface of the skin and speed up the skin turnover. Skin often appears softer and brighter after exfoliation, but overdoing it can result in disrupted skin barrier. The following ingredient is doing the exfoliating job in this product: betaine salicylate, glycolic acid, lactic acid.
Exfoliating acid, a "relative" of salicylic acid
An alpha-hydroxy acid (AHA) that helps to remove the dead skin cells on the surface of the skin reveling a more even, smoother complexation. It is also able to stimulate collagen production with long-term use. Could help to reduce pore congestion. It can be irritating to the skin. Apply sunscreen daily if using products with glycolic acid
An exfoliating and moisturizing alpha-hydroxy acid (AHA). Typically causes less irritation than other AHAs, for example, glycolic acid. At high concentrations (about 15%), lactic acid can help reduce lines and wrinkles. Recent studies show that lactic acid can support the "good" bacteria living on skin's surface (healthy skin microbiome)
Helps calm down inflammation in skin and can help reduce itching. Helps to repair the skin barrier and keep skin hydrated
Moisturizing
What does the product description say?
Without stripping the skin of moisture, the formula provides an additional cleanse after face wash, which leaves the face ultra-clear and refreshed.
Source: Lookfantastic
This product contains good ingredients to attract water to the upper layer of the skin. These ingredients are called "humectants": lactic acid, sodium hyaluronate.
When humectants are on the surface of the skin, they “pull in” the moisture from the outside environment, or from within deeper layers of the skin. If the air is dry, humectants can speed up the moisture loss from the skin. This is why it is a good idea to use another product on top of this one to help "seal in" the moisture (look for ingredients like dimethicone, squalane, oils and butters).
The following ingredients in this product are especially good for supporting the skin barrier and helping with the hydration level: panthenol
Helps attract water to the upper layer of the skin and can help improve skin barrier function
An exfoliating and moisturizing alpha-hydroxy acid (AHA). Typically causes less irritation than other AHAs, for example, glycolic acid. At high concentrations (about 15%), lactic acid can help reduce lines and wrinkles. Recent studies show that lactic acid can support the "good" bacteria living on skin's surface (healthy skin microbiome)
Helps attract water to the upper layer of the skin. Is often used to adjust the pH level of the product
One of the best moisturizing ingredients. Attracts water into the upper layer of the skin
A complex substance produced by honey bees. Can have anti-bacterial and some anti-oxidant effect. Is an allergen and can be irritating
Used to create a nice product texture and help delivery of other ingredients. Might be somewhat helpful in attracting water to the upper layer of the skin
Helps calm down inflammation in skin and can help reduce itching. Helps to repair the skin barrier and keep skin hydrated
Anti-blemish
This product might be able to help reduce blemishes and clogged pores because it contains betaine salicylate.
The following ingredient (ingredients) in this product might be helpful, but there is no evidence to confirm that it actually works: glycolic acid
Exfoliating acid, a "relative" of salicylic acid
An alpha-hydroxy acid (AHA) that helps to remove the dead skin cells on the surface of the skin reveling a more even, smoother complexation. It is also able to stimulate collagen production with long-term use. Could help to reduce pore congestion. It can be irritating to the skin. Apply sunscreen daily if using products with glycolic acid
Helps calm down inflammation in skin and can help reduce itching. Helps to repair the skin barrier and keep skin hydrated
How honest is this product?
| Promise | Can it deliver? |
|---|---|
| Exfoliation | |
| Moisturizing |
Total Promises Fulfilled score: 100/100.
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Potential irritants
Comedogenic ingredients
No comedogenic ingredients detected
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| Product | Similarity | Price | Irritancy |
|---|---|---|---|
 COSRX Natural BHA Skin Returning A-Sol Toner | Current | $16.20 | |
Beauty Drops AHA 30% + BHA 2% Peeling | 54% | $6.95 | |
Purest Solutions Exfoliating and Clarifying Toner Glycolic Acid 5% AHA+BHA | 54% | $13.99 | |
 Elizavecca Buy Elizavecca Milky Piggy Hell-Pore Clean Up AHA Fruit Toner Australia - Korean Skin Care and Cosmetics | 53% | $18.00 | |
 ISNTREE Clear Skin 8% AHA Essence | 51% | $15.00 | |
 Philosophy The Microdelivery Dream Peel 6% AHA/BHA Refining Gel | 51% | $45.00 |
Key Actives
Potential irritants
Comedogenic ingredients
We couldn't find any comedogenic ingredients in this product
All ingredients
Ingredient list view
Propolis extract, Alcohol, Butylene glycol, Sodium lactate, Lactic acid, Water, Glycolic acid, Betaine salicylate, Sodium hyaluronate, Panthenol, Allantoin, Cassia obtusifolia seed extract, 1,2-hexanediol, Ethyl hexanediol, Peg-60 hydrogenated castor oil, Melaleuca alternifolia leaf oil
- Propolis: A Wonder Bees Product and Its Pharmacological Potentials
- Epidermal and dermal effects of topical lactic acid
- Dual Effects of Alpha-Hydroxy Acids on the Skin
- Photoprotective and antiinflammatory effects of topical glycolic acid
- Glycolic acid peel therapy – a current review
- Dual Effects of Alpha-Hydroxy Acids on the Skin
- Hyaluronic acid: A key molecule in skin aging
- Hyaluronan (Hyaluronic Acid): a natural moisturizer for skin care
- Skin moisturizing effects of panthenol-based formulations
- Safety Assessment of Panthenol, Pantothenic Acid, and Derivatives as Used in Cosmetics
- Profile of wound healing process induced by allantoin
- The influence of alkane chain length on the skin irritation potential of 1,2-alkanediols
- Final Report on the Safety Assessment of Ethyl Hexanediol