Comparison
COSRX AHA 7 Whitehead Power Liquid vs Some By Mi AHA BHA PHA 30 Days Miracle Toner
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 Liquid7% glycolic acid liquid exfoliant for resurfacing and decongesting. A K-beauty entry to glycolic acid.

Choose AHA 7 Whitehead Power Liquid if
- Your main concern is Dull or Enlarged Pores.
- You have Normal skin.
- You want AHA, Niacinamide in the formula.
- Visible smoothing in 2–3 weeks
Choose AHA BHA PHA 30 Days Miracle Toner if
- Your main concern is Acne or Texture.
- You have Acne skin.
- You want Aha, Bha, Pha in the formula.
- visible results on breakouts
At a glance
- Normal
- Combination
- Oily
- Oily
- Combination
- Acne
- Blackheads
- Dull
- Enlarged Pores
- Uneven Tone
- Acne
- Texture
- Blackheads
- AHA
- Niacinamide
- Aha
- Bha
- Pha
- Tea Tree
- Visible smoothing in 2–3 weeks
- Tackles whiteheads
- Niacinamide softens sting
- visible results on breakouts
- affordable
- Photosensitizing, SPF mandatory
- Do NOT combine with retinol same night
- can over exfoliate
- start slow
Ingredient interactions
- Aha + Bhacaution
Powerful exfoliation. Limit combined use to avoid barrier damage.
What reviewers say
AHA 7 Whitehead Power Liquid
Smoother skin, fewer breakouts
"This product has given me very good results. The surface of my skin is much smoother and breakouts heal much more quickly now. I use it alongside the CosRx BHA and the combination is fantastic for my combination skin."
Great gentle aha
"This liquid is amazing for improving skin texture and reducing whiteheads. I use it every other night and my skin feels much smoother and looks brighter. It's gentle enough not to cause irritation for my dry skin, though I gradually introduced it."
AHA BHA PHA 30 Days Miracle Toner
"I used this toner and I'm happy with the results. It actually reduces sebum secretion. I make sure to use it every other day in the morning and evening."
"To me, this is no miracle treatment, but it definitely has help controlled the growth of acne and calmed down my skin. After using it for more ..."
FAQ
What is the main difference between COSRX AHA 7 Whitehead Power Liquid and Some By Mi AHA BHA PHA 30 Days Miracle Toner?
Both are exfoliants. COSRX AHA 7 Whitehead Power Liquid focuses on Blackheads and Dull, while Some By Mi AHA BHA PHA 30 Days Miracle Toner targets Acne and Texture. Ingredient wise, COSRX AHA 7 Whitehead Power Liquid leads with AHA and Niacinamide; Some By Mi AHA BHA PHA 30 Days Miracle Toner uses Aha and Bha.
Can I use COSRX AHA 7 Whitehead Power Liquid and Some By Mi AHA BHA PHA 30 Days Miracle Toner together?
Use with care. Aha + Bha: Powerful exfoliation. Limit combined use to avoid barrier damage.