Comparison
COSRX AHA 7 Whitehead Power Liquid vs COSRX BHA Blackhead Power Liquid
Side by side: ingredients, price, skin type fit, pros and cons. Pick the one that matches your routine.

COSRX
AHA 7 Whitehead Power Liquid7% glycolic acid liquid exfoliant for resurfacing and decongesting. A K-beauty entry to glycolic acid.

COSRX
BHA Blackhead Power LiquidBetaine Salicylate (BHA-equivalent) liquid that clears blackheads and refines pores. K-beauty bestseller for oily skin.
At a glance
AHA 7 Whitehead Power Liquid
BHA Blackhead Power Liquid
Category
Exfoliant
Exfoliant
Price
from €18
from €20
Skin types
- Normal
- Combination
- Oily
- Oily
- Combination
- Acne
Targets
- Blackheads
- Dull
- Enlarged Pores
- Uneven Tone
- Blackheads
- Enlarged Pores
- Acne
Key ingredients
- AHA
- Niacinamide
- BHA
- Niacinamide
Pros
- Visible smoothing in 2–3 weeks
- Tackles whiteheads
- Niacinamide softens sting
- Reliable for blackheads over time
- Daily-friendly for oily skin
- No sting
Cons
- Photosensitizing, SPF mandatory
- Do NOT combine with retinol same night
- Slow results, needs consistency
- Photosensitizing
How to use
PM, 2–3x/week. Apply after toner with a cotton pad. Follow with moisturizer. SPF next day.
After toner, pat onto oily areas. Once daily, build to twice. SPF in the AM.
Which one to pick
Both are exfoliants, so they compete for the same slot in your routine. Match the key ingredients and skin type fit above to your concern.