Why this product
Acne-prone skin. Triple-acid approach — gentler than single high-concentration acids.
What it does: Triple-acid gentle exfoliation serum. AHA + BHA + PHA in one product.
Skin types: Acne-prone, oily.
vs Paula’s Choice: $18 vs $34. Paula’s Choice BHA is $34 for a single acid. Some By Mi combines AHA + BHA + PHA + tea tree + centella in one $18 serum — triple-acid daily exfoliation at half the price.
Discussed in an estimated 1,000+ threads on r/AsianBeauty. Most common praise: AHA exfoliates the surface, BHA clears pores, PHA hydrates. The triple approach is gentler than any single high-concentration acid.
Active step
Step 5 in your routine. Sign in to add it.
Where in your routine
Why this step exists in K-beauty
K-beauty’s approach to acids: three gentle exfoliants working together instead of one harsh one. AHA exfoliates the surface, BHA clears pores, PHA hydrates while exfoliating.
How to use
Key ingredients
Details
Western equivalent
Paula’s Choice
2% BHA Liquid Exfoliant (118ml)
$34
Paula’s Choice BHA is $34 for a single acid. Some By Mi combines AHA + BHA + PHA + tea tree + centella in one $18 serum — triple-acid daily exfoliation at half the price.
The bottom line
Some By Mi AHA/BHA/PHA Miracle Serum is a active that costs $18 for 50ml. The Western equivalent (Paula’s Choice) runs $34 — you save 47%. Best for acne-prone, oily skin.
Pairs well with