COSRX, AHA 7 Whitehead Power Liquid

AHA 7 Whitehead Power Liquid

Name: AHA 7 Whitehead Power Liquid
Brand: COSRX
Price: 18 EUR
Availability: InStock
Rating: 4.8 (5 reviews)

from €18

7% glycolic acid liquid exfoliant for resurfacing and decongesting. A K-beauty entry to glycolic acid.

Skin types: Normal, Combination, Oily

Targets: Blackheads, Dull, Enlarged Pores, Uneven Tone

Pros

Visible smoothing in 2–3 weeks
Tackles whiteheads
Niacinamide softens sting

Cons

Photosensitizing, SPF mandatory
Do NOT combine with retinol same night

Where to buy

Amazon

Editorial verdict

The COSRX AHA 7 Whitehead Power Liquid is a well-regarded AHA exfoliant, particularly noted for its efficacy in treating whiteheads, closed comedones, and improving overall skin texture and tone. Reviewers consistently highlight its ability to create smoother, more radiant skin. While generally considered gentle for an AHA product, users with very sensitive skin or active breakouts should introduce it cautiously due to potential stinging. Consistent, long-term use is often cited as key for optimal results, including fading of post-inflammatory hyperpigmentation. Its relatively mild nature and noticeable benefits make it a popular choice for those looking to incorporate an AHA into their routine.

Dry skin

Combination skin

Oily skin

Normal skin

Whiteheads

Closed Comedones

Uneven Skin Tone

Rough Skin Texture

Hyperpigmentation

What people love and don't

Based on ~20 reviews

Reddit users generally appreciate the COSRX AHA 7 Whitehead Power Liquid for improving skin texture and addressing specific concerns like whiteheads and bumps. While many find it effective, some report a plateau in results over time or experience irritation on broken skin. It is recognized as a potent treatment that requires careful application.

The good

Effective Whitehead and Bump Reduction

Reviewers frequently praise this liquid for its ability to significantly reduce whiteheads and various bumps, including closed comedones and forehead bumps, leading to clearer skin. The 7% glycolic acid helps to exfoliate the skin's surface and dissolve impurities.

"It has given me amazing results regarding tiny forehead bumps and PIH after a ..."

Improves Skin Texture and Smoothness

Many users report a noticeable improvement in skin texture, noting their skin feels much softer and smoother after consistent use. This is attributed to the exfoliating action of the AHA.

"My skin feels so soft after I put it on. The surface of my skin is much smoother,"

Evens Skin Tone and Adds Radiance

Regular application of the Power Liquid is said to help even out skin tone and impart a healthy glow. The AHA component aids in shedding dull, dead skin cells, revealing brighter skin beneath.

"The gradual use of this product over the years has certainly helped even my skin tone, improved my texture, has given me a nice glow!"

Gentle Exfoliation for Many Skin Types

Despite being an AHA product, many reviewers, including those with dry and sensitive tendencies, find it to be a relatively gentle exfoliant. They can incorporate it into their routine without excessive irritation.

"My skin tolerates it well, but if I have any active acne or popped pimples on my face and I apply this, it burns like crazy. Other than that, it ..."

Aids in Fading Post-Inflammatory Hyperpigmentation (PIH)

Reviewers have observed that the exfoliant assists in fading post-inflammatory hyperpigmentation, contributing to a more uniform complexion over time.

"it has given me amazing results regarding tiny forehead bumps and PIH after a ..."

The trade-offs

Potential for Stinging on Damaged or Sensitive Skin

Several users reported a stinging sensation when applying the product over active acne, popped pimples, or areas of compromised skin, suggesting it might be too strong for irritated skin.

"if I have any active acne or popped pimples on my face and I apply this, it burns like crazy."

Purging Phase

Some reviewers experienced an initial 'purging' period where breakouts might temporarily worsen before improving, a common effect with AHAs as they bring underlying congestion to the surface. One reviewer of the BHA liquid said that it broke them out for two weeks, so this may apply to the AHA product too.

Requires Consistent Use for Visible Results

While some effects are seen relatively quickly, reviewers indicate that significant improvements in skin texture and tone require consistent and long-term use.

"The gradual use of this product over the years has certainly helped even my skin tone, improved my texture, has given me a nice glow!"

Reach for it if

Individuals dealing with closed comedones, whiteheads, tiny bumps, and post-inflammatory hyperpigmentation often see significant benefits from this product.

Skip it if

Those with very sensitive skin, active or broken acne, or anyone who finds chemical exfoliants irritating should approach this product with caution.

What to expect

Smoother skin
Reduced whiteheads and closed comedones
More even skin tone
Increased radiance
Faded hyperpigmentation

Don't expect

Instantaneous blemish removal
Dramatic overnight transformation
Deep wrinkle reduction

Deep facts

Texture: light watery liquid with a slight gel-like texture
Finish: smooth
Scent: unscented
Packaging: Clear plastic bottle with pump dispenser
Value: Reviewers generally find the product to be good value for its price and effectiveness.
Time to results: Hydration is immediate, noticeable improvement in texture within weeks, significant results for tone and PIH over months of consistent use.
Usage frequency: Evenings, some suggest starting with 2 to 3 times per week and increasing frequency.
Routine position: after toning in the serum/essence stage, apply at night
Repurchase signal: High, many reviewers express intent to repurchase due to positive results sustaining over time.

Fragrance freeEssential oil freeAlcohol free

Layering tips

Wait until fully absorbed before proceeding with other essences and creams. Apply sunscreen during daytime. Can be used in conjunction with CosRx BHA.

Full INCI list

This ingredient list was auto-compiled and may be incomplete or outdated. For allergens, pregnancy or sensitivity checks, verify on the brand's official page.

Pyrus Malus (Apple) Fruit Water, Butylene Glycol, Glycolic Acid 7%, Niacinamide, Sodium Hydroxide, Panthenol, Sodium Hyaluronate.

How to use

PM, 2–3x/week. Apply after toner with a cotton pad. Follow with moisturizer. SPF next day.

Questions people ask about AHA 7 Whitehead Power Liquid

Answered from our enrichment data, not generic boilerplate.

What is AHA 7 Whitehead Power Liquid and what does it do?

Is AHA 7 Whitehead Power Liquid good for dry, combination, oily and normal skin?

Yes, it tends to suit dry, combination, oily and normal skin. Individuals dealing with closed comedones, whiteheads, tiny bumps, and post-inflammatory hyperpigmentation often see significant benefits from this product.

Who should avoid AHA 7 Whitehead Power Liquid?

Those with very sensitive skin, active or broken acne, or anyone who finds chemical exfoliants irritating should approach this product with caution.

How often should I use AHA 7 Whitehead Power Liquid?

Evenings, some suggest starting with 2 to 3 times per week and increasing frequency.

How long until AHA 7 Whitehead Power Liquid shows results?

Hydration is immediate, noticeable improvement in texture within weeks, significant results for tone and PIH over months of consistent use.

What can I layer AHA 7 Whitehead Power Liquid with?

Wait until fully absorbed before proceeding with other essences and creams. Apply sunscreen during daytime. Can be used in conjunction with CosRx BHA.

Is AHA 7 Whitehead Power Liquid worth the price?

Reviewers generally find the product to be good value for its price and effectiveness.

Is AHA 7 Whitehead Power Liquid suitable for sensitive skin?

AHA 7 Whitehead Power Liquid is fragrance-free and free of essential oils, which makes it a safer pick for reactive or barrier-impaired skin. Always patch test before using it on the full face.

Where to buy

Amazon