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Comparison

COSRX AHA 7 Whitehead Power Liquid vs COSRX BHA Blackhead Power Liquid

Two exfoliants that compete for the same routine slot. Below is the honest side by side: what makes each one different, who each one is best for, and how real users rate them.

COSRX AHA 7 Whitehead Power Liquid

COSRX

AHA 7 Whitehead Power Liquid

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

COSRX BHA Blackhead Power Liquid

COSRX

BHA Blackhead Power Liquid

Betaine Salicylate (BHA-equivalent) liquid that clears blackheads and refines pores. K-beauty bestseller for oily skin.

Choose AHA 7 Whitehead Power Liquid if

  • Your main concern is Dull or Uneven Tone.
  • You have Normal skin.
  • You want AHA in the formula.
  • You prefer the lower price (from €18 vs from €20).

Choose BHA Blackhead Power Liquid if

  • Your main concern is Acne.
  • You have Acne skin.
  • You want BHA in the formula.
  • Reliable for blackheads over time

At a glance

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.

Ingredient interactions

  • Aha + Bhacaution

    Powerful exfoliation. Limit combined use to avoid barrier damage.

Check any two ingredients

FAQ

What is the main difference between COSRX AHA 7 Whitehead Power Liquid and COSRX BHA Blackhead Power Liquid?

Both are exfoliants. COSRX AHA 7 Whitehead Power Liquid focuses on Blackheads and Dull, while COSRX BHA Blackhead Power Liquid targets Blackheads and Enlarged Pores. Ingredient wise, COSRX AHA 7 Whitehead Power Liquid leads with AHA and Niacinamide; COSRX BHA Blackhead Power Liquid uses BHA and Niacinamide.

Can I use COSRX AHA 7 Whitehead Power Liquid and COSRX BHA Blackhead Power Liquid together?

Use with care. Aha + Bha: Powerful exfoliation. Limit combined use to avoid barrier damage.

Do COSRX AHA 7 Whitehead Power Liquid and COSRX BHA Blackhead Power Liquid share ingredients?

Both feature Niacinamide. The rest of the formulas differ, which is where the choice usually comes down to.

Which one is cheaper, COSRX AHA 7 Whitehead Power Liquid or COSRX BHA Blackhead Power Liquid?

COSRX AHA 7 Whitehead Power Liquid is the more affordable option based on current listed prices (from €18 vs from €20).

Read the full reviews

See full AHA 7 Whitehead Power Liquid review See full BHA Blackhead Power Liquid review