# COSRX AHA 7 Whitehead Power Liquid for oily skin

**Lovi Fit: High fit for oily skin.**
Oily Skin Fit: High · Effectiveness: High · Safety: High.

Page: https://lovi.care/skincare/uk/p/cosrx/aha-7-whitehead-power-liquid/for/oily-skin

The Lovi Fit is the same in every country; only the stores and prices differ, and the ones here are for the United Kingdom.

Brand: [COSRX](https://lovi.care/skincare/uk/brands/cosrx)
Category: [Exfoliants](https://lovi.care/skincare/uk/best/exfoliators)

This fit is calculated for the concerns frequently associated with oily skin: shine, enlarged pores, blackheads, and blemishes. For scores based on a full skin profile (12D face scan, goals, preferences), use the Lovi app.

A great choice for oily skin; a few products fit it even better.

## Why this fit

- Offers excellent exfoliation for your oily skin, as glycolic acid effectively smooths texture and addresses whiteheads by promoting skin renewal and oil control.
- Niacinamide further supports oil regulation, while panthenol and sodium hyaluronate provide hydration, enhancing overall skin comfort and balance.
- The formula is safe for your oily skin, with no risks of irritation due to the absence of harsh ingredients.

## Fit by skin type

- [Oily skin](https://lovi.care/skincare/uk/p/cosrx/aha-7-whitehead-power-liquid/for/oily-skin): High (this page)
- [Dry skin](https://lovi.care/skincare/uk/p/cosrx/aha-7-whitehead-power-liquid/for/dry-skin): Low
- [Combination skin](https://lovi.care/skincare/uk/p/cosrx/aha-7-whitehead-power-liquid/for/combination-skin): High
- [Sensitive skin](https://lovi.care/skincare/uk/p/cosrx/aha-7-whitehead-power-liquid/for/sensitive-skin): Average
- [Acne-prone skin](https://lovi.care/skincare/uk/p/cosrx/aha-7-whitehead-power-liquid/for/acne-prone-skin): Average
- [Skin with dark spots](https://lovi.care/skincare/uk/p/cosrx/aha-7-whitehead-power-liquid/for/dark-spots): High
- [Mature skin](https://lovi.care/skincare/uk/p/cosrx/aha-7-whitehead-power-liquid/for/mature-skin): Average
- [Dry sensitive skin](https://lovi.care/skincare/uk/p/cosrx/aha-7-whitehead-power-liquid/for/dry-sensitive-skin): Low
- [Oily acne-prone skin](https://lovi.care/skincare/uk/p/cosrx/aha-7-whitehead-power-liquid/for/oily-acne-prone-skin): High

## Key ingredients

Glycolic Acid, Niacinamide, Pyrus Malus Fruit Water, Sodium Hyaluronate, Panthenol

## What the research says

- Glycolic acid, salicylic acid, gluconolactone, and licochalcone A combined with 0.1% adapalene showed no hindrance compared to adapalene monotherapy and provided benefits in reducing complications in 25 subjects with mild-to-moderate acne vulgaris. ([Clinical, Cosmetic and Investigational Dermatology, 2019](https://pubmed.ncbi.nlm.nih.gov/30858720/))
- A new topical panthenol-containing emollient significantly improved transepidermal water loss reduction, stratum corneum hydration, and intercellular lipid lamellae length compared with control in healthy subjects without negatively impacting bacterial viability. ([The Journal of Dermatological Treatment, 2017](https://pubmed.ncbi.nlm.nih.gov/27425824/))
- Topical dexpanthenol acts as a moisturizer, improves stratum corneum hydration, accelerates wound healing and epidermal regeneration, reduces erythema, and improves symptoms of skin irritation compared to vehicle or no pretreatment. ([American Journal of Clinical Dermatology, 2002](https://pubmed.ncbi.nlm.nih.gov/12113650/))
- A panthenol-enriched mask significantly decreased erythema and hyperpigmentation, increased sebum and stratum corneum moisture, and reduced transepidermal water loss compared to a saline dressing in 60 subjects undergoing facial laser treatment. ([Journal of Cosmetic Dermatology, 2025](https://pubmed.ncbi.nlm.nih.gov/40613435/))
- A cosmetic cream with 6% wild apple fruit water extract showed good stability, antioxidant activity, no skin irritation, increased skin hydration, and a bleaching effect on artificially induced skin hyperpigmentation in human volunteers. ([International Journal of Cosmetic Science, 2018](https://pubmed.ncbi.nlm.nih.gov/29723433/))
- Repeated short-contact 70% glycolic acid peels provided superior results in atrophic acne scars compared to daily low-strength glycolic acid cream or placebo in 58 women over 24 weeks. ([International Journal of Dermatology, 2000](https://pubmed.ncbi.nlm.nih.gov/11095203/))
- Serial glycolic acid peels combined with a modified Kligman formula significantly reduced facial PIH severity in Indian patients compared to the modified Kligman formula alone. ([Dermatologic Surgery, 2017](https://pubmed.ncbi.nlm.nih.gov/28114204/))
- Topical post-laser application of human adipocyte-derived mesenchymal stem cell media combined with niacinamide significantly improved wrinkle index, melanin index, patient satisfaction, and investigator esthetic improvement scores compared to vehicle cream in patients with aging skin. ([Journal of Cosmetic Dermatology, 2021](https://pubmed.ncbi.nlm.nih.gov/33103316/))
- Topical nicotinamide prevented solar-simulated UV-induced immunosuppression in healthy volunteers, and men experienced immunosuppression at solar-simulated UV doses three times lower than those required for women. ([The Journal of Investigative Dermatology, 2008](https://pubmed.ncbi.nlm.nih.gov/17882270/))
- Topical 5% niacinamide applied twice daily for 12 weeks reduced fine lines and wrinkles, hyperpigmented spots, red blotchiness, and skin sallowness, and improved skin elasticity compared to vehicle control in 50 female white subjects with facial photoaging. ([Dermatologic Surgery, 2005](https://pubmed.ncbi.nlm.nih.gov/16029679/))
- Topical formulations containing 1.25% Malus sp. extract or 0.75% rutin protected against UVB-induced sunburn cells, caspase-3 activation, cyclobutane pyrimidine dimers, lipid peroxidation, and metalloproteinase formation in ex vivo skin explants and 3D tissue-engineered skin. ([Rejuvenation Research, 2020](https://pubmed.ncbi.nlm.nih.gov/32242497/))
- Topical application of 0.1% hyaluronic acid formulations of different molecular weights led to significant improvements in skin hydration and elasticity, with low-molecular-weight formulations also significantly reducing wrinkle depth in seventy-six female subjects compared to a vehicle control. ([Journal of Drugs in Dermatology, 2011](https://pubmed.ncbi.nlm.nih.gov/22052267/))
- Topical application of hyaluronic acid in conjunction with free gingival graft significantly reduced donor site postoperative pain until day 7 compared to normal saline, with no significant differences in graft dimensions or patient satisfaction. ([Clinical Oral Investigations, 2022](https://pubmed.ncbi.nlm.nih.gov/34623507/))
- Treatment with a hyaluronic acid-containing mouth rinse or topical gel led to significant lesion reduction, pain relief, and normalization of lesion color in adult patients with minor recurrent aphthous stomatitis, with the gel formulation showing an earlier healing onset at 3 days. ([BMC Oral Health, 2019](https://pubmed.ncbi.nlm.nih.gov/31311529/))
- Moisturizer containing 5% panthenol, madecassoside, and copper-zinc-manganese decreased adverse reactions and downtime after ablative fractional carbon dioxide laser resurfacing with comparable efficacy to 0.02% triamcinolone acetonide cream in 20 subjects. ([Journal of Cosmetic Dermatology, 2019](https://pubmed.ncbi.nlm.nih.gov/30945430/))
- Topical dexpanthenol formulated in lipophilic vehicles improved stratum corneum hydration and reduced transepidermal water loss compared to vehicle control in humans. ([Arzneimittel-Forschung, 2000](https://pubmed.ncbi.nlm.nih.gov/10965426/))
- Hyaluronic acid, hyaluronic acid plus dexpanthenol, and isotonic saline nasal sprays all significantly improved dry nose symptoms over four weeks in 240 patients, with hyaluronic acid plus dexpanthenol providing superior nasal moisturisation compared to the other two. ([Auris, Nasus, Larynx, 2020](https://pubmed.ncbi.nlm.nih.gov/32067777/))

## What reviewers say

Based on a very large amount of data, users with dry, acne-prone, and textured skin frequently praise this exfoliant for effectively clearing closed comedones and "tiny bumps" while leaving the face noticeably smoother and brighter. Some users note that results require patience due to an initial purging phase, and the product has a strong, distinct scent.

- Liked: Clears comedones (mostly mentioned)
- Liked: Smooths texture (mostly mentioned)
- Liked: Brightens skin (often mentioned)
- Disliked: Unpleasant smell (often mentioned)
- Liked: Gentle, hydrating (sometimes noted)
- Disliked: Initial purging (sometimes noted)
- Disliked: Sticky residue (sometimes noted)
- Disliked: Stinging/irritation (rarely noted)

## How to apply

- Use this exfoliant product as part of your PM routine once a week. Start slowly and build up frequency only if your skin tolerates it well.
- Apply the exfoliant after cleansing and toner, but right before your moisturizer.
- Gently press 2-3 drops of the exfoliant into your skin and let it absorb fully. Avoid any harsh rubbing to keep your skin calm.
- Apply the exfoliant directly onto completely dry skin to get the best balance and results. Clean, dry skin helps the product work evenly.
- Always avoid the delicate eye area when applying. Be sure to use a broad-spectrum SPF 30+ daily while using exfoliating acids.
- Video: https://storage.pora.ai/028e5e793422a3b665c02ff502cf5a68.mp4

## Questions and answers

### What makes COSRX AHA 7 Whitehead Power Liquid a great fit for oily skin?

This product is a great fit because glycolic acid smooths texture, helps clear whiteheads, and controls oil, while niacinamide further supports oil regulation. Panthenol and sodium hyaluronate add comfortable moisture, and the formula is safe for your skin without harsh ingredients.
Sources: [The Journal of Dermatological Treatment, 2017](https://pubmed.ncbi.nlm.nih.gov/27425824/), [American Journal of Clinical Dermatology, 2002](https://pubmed.ncbi.nlm.nih.gov/12113650/)

### Which ingredients make this exfoliant a good fit for oily skin?

Glycolic acid and niacinamide make this a great fit because they effectively smooth texture, control oil, and address whiteheads. Panthenol and sodium hyaluronate also help by adding comfortable hydration and balance without harshness.
Sources: [The Journal of Dermatological Treatment, 2017](https://pubmed.ncbi.nlm.nih.gov/27425824/), [American Journal of Clinical Dermatology, 2002](https://pubmed.ncbi.nlm.nih.gov/12113650/)

### What does Glycolic Acid do for oily skin?

Glycolic acid helps clear away dead skin and excess oil for a smooth, clean feel. It gently removes buildup from the surface, which keeps pores clear and skin looking fresh.
Sources: [Molecules, 2023](https://pubmed.ncbi.nlm.nih.gov/37894698/), [Journal of the European Academy of Dermatology and Venereology, 2011](https://pubmed.ncbi.nlm.nih.gov/21029205/)

### What does Niacinamide do for oily skin?

Niacinamide helps balance oily skin by significantly reducing excess oil production and shine. It is well tolerated and may improve skin texture without clogging pores.
Sources: [Journal of Cosmetic and Laser Therapy, 2006](https://pubmed.ncbi.nlm.nih.gov/16766489/), [Antioxidants, 2021](https://pubmed.ncbi.nlm.nih.gov/34439563/)

### Where does this exfoliant go in a skincare routine for oily skin?

This exfoliant goes in your evening routine, applied after cleansing and before your moisturizer. You should start using it once a week, and if your skin handles it well, you can carefully use it more often.

### Can I use this exfoliant with retinol, and in what order?

It is best to use this exfoliant on a different night than your retinol to help prevent skin irritation. When you do use it, apply the exfoliant after cleansing and before your moisturizer.

### How often should I use this exfoliant?

Use this exfoliant once a week in your evening routine to start, and if your oily skin tolerates it well and you see good results, you may carefully use it more often. Glycolic acid helps smooth texture and manage oil while keeping irritation unlikely.
Sources: [Journal of Cosmetic Dermatology, 2021](https://pubmed.ncbi.nlm.nih.gov/32356917/), [Journal of Cosmetic Dermatology, 2024](https://pubmed.ncbi.nlm.nih.gov/38406974/)

### Can this exfoliant clog pores, cause breakouts or purging for oily skin?

Yes, initial breakouts are moderately likely as this treatment promotes skin renewal to clear whiteheads. Panthenol and other soothing ingredients in the formula help keep your skin comfortable and balanced while it adjusts.
Sources: [The Journal of Dermatological Treatment, 2017](https://pubmed.ncbi.nlm.nih.gov/27425824/), [American Journal of Clinical Dermatology, 2002](https://pubmed.ncbi.nlm.nih.gov/12113650/)

### Is this exfoliant fragrance-free and alcohol-free?

Yes, it has no fragrance and no drying alcohol.

## Alternatives for oily skin

- [Beauty of Joseon Propolis + Niacinamide Glow Serum](https://lovi.care/skincare/uk/p/beauty-of-joseon/propolis-niacinamide-glow-serum/for/oily-skin) — Superior fit — £36.96 at Amazon
- [Neogen Dermalogy Real Niacinamide 15% Firming Serum](https://lovi.care/skincare/uk/p/neogen-dermalogy/real-niacinamide-15-firming-serum/for/oily-skin) — Superior fit — £24.20 at Amazon
- [SkinCeuticals C E Ferulic](https://lovi.care/skincare/uk/p/skinceuticals/c-e-ferulic/for/oily-skin) — High fit — £143.35 at Amazon

## Pairs well with

- Cleanser: [CeraVe Foaming Facial Cleanser](https://lovi.care/skincare/uk/p/cerave/foaming-facial-cleanser/for/oily-skin) — Superior fit — £8.29 at Amazon
- Hydrating Toner: [SOME BY MI Snail Truecica Miracle Repair Toner](https://lovi.care/skincare/uk/p/some-by-mi/snail-truecica-miracle-repair-toner/for/oily-skin) — Superior fit — £13.98 at Amazon
- Moisturizer: [COSRX Oil-Free Ultra-Moisturizing Lotion with Birch Sap](https://lovi.care/skincare/uk/p/cosrx/oil-free-ultra-moisturizing-lotion-with-birch-sap/for/oily-skin) — Superior fit — £14.80 at Amazon

## Where to buy

- Amazon.co.uk: £13.37 (https://www.amazon.co.uk/dp/B00OZ9WOD8?tag=lovi-care-web-product-21&linkCode=osi&th=1&psc=1)
- Notino: £17.40 (https://www.notino.co.uk/cosrx/aha7-whitehead-power-liquid-exfoliating-essence-for-skin-with-hyperpigmentation/p-15810039/)
- Lookfantastic: £20.79 (https://www.lookfantastic.com/p/cosrx-aha-7-whitehead-power-liquid-100ml/11401175/)
Prices checked 28 Oct – 6 Nov 2026.

## Ingredients

Pyrus Malus Fruit Water, Butylene Glycol, Glycolic Acid, Niacinamide, Sodium Hydroxide, 1,2-Hexanediol, Panthenol, Sodium Hyaluronate, Xanthan Gum, Ethyl Hexanediol
## About the Lovi Fit

Lovi: Unbiased, science-based skincare AI trained on real user outcomes.

Lovi calculates every fit score from the full ingredient list with brand-independent rules its dermatologists and cosmetic chemists build and review, and personalizes every pick with AI trained on the real results of millions of users. Lovi trains its fit score models on a proprietary dataset built from more than 10,000 expert-labeled products and more than 100,000 simulated examples, following an internally consistent methodology presented at Cosmoprof, AMWC, and Skin of Color Update. Levels from best to worst: Superior, High, Average, Low, Caution, Warning.

Behind this fit score: Nadia Kapleva, MS (Co-founder, Medical Director); Alexey Shagraev, PhD (Co-founder, CEO and CTO); Dr. Sofía Perea Pérez, MD, MSc (Medical Board); Aishani Shah, MD (Medical Board); Asya Zubkova, MS (Medical Board); Hanna Kurets, MD (Medical Board, Medical Advisor); Elina Nazarenko, MD (Medical Board); Victoria Derkova, MS (Medical Board).

Page built Nov 8, 2026.

More from Lovi: https://lovi.care/skincare/llms.txt

## This page in other countries

- United States: https://lovi.care/skincare/p/cosrx/aha-7-whitehead-power-liquid/for/oily-skin
- United Kingdom: https://lovi.care/skincare/uk/p/cosrx/aha-7-whitehead-power-liquid/for/oily-skin (this page)
- Ireland: https://lovi.care/skincare/ie/p/cosrx/aha-7-whitehead-power-liquid/for/oily-skin
- Germany: https://lovi.care/skincare/de/p/cosrx/aha-7-whitehead-power-liquid/for/oily-skin
- France: https://lovi.care/skincare/fr/p/cosrx/aha-7-whitehead-power-liquid/for/oily-skin
- Italy: https://lovi.care/skincare/it/p/cosrx/aha-7-whitehead-power-liquid/for/oily-skin
- Netherlands: https://lovi.care/skincare/nl/p/cosrx/aha-7-whitehead-power-liquid/for/oily-skin
- Spain: https://lovi.care/skincare/es/p/cosrx/aha-7-whitehead-power-liquid/for/oily-skin
- Canada: https://lovi.care/skincare/ca/p/cosrx/aha-7-whitehead-power-liquid/for/oily-skin
- Australia: https://lovi.care/skincare/au/p/cosrx/aha-7-whitehead-power-liquid/for/oily-skin
- Singapore: https://lovi.care/skincare/sg/p/cosrx/aha-7-whitehead-power-liquid/for/oily-skin
- Saudi Arabia: https://lovi.care/skincare/sa/p/cosrx/aha-7-whitehead-power-liquid/for/oily-skin
- United Arab Emirates: https://lovi.care/skincare/ae/p/cosrx/aha-7-whitehead-power-liquid/for/oily-skin