The AHA 2 BHA 2 Blemish Treatment Serum
Acne Spot Treatment

COSRX

The AHA 2 BHA 2 Blemish Treatment Serum

Humane

Acne Spot Treatment

A spot treatment built around AHA and Glycolic acid, for hydration and smoothing.

A spot treatment built around Benzoyl peroxide, for barrier repair and smoothing.

Spot treatment
Spot treatment
17 ingredients
15 ingredients

Brand price

USD 23.00 · checked 25 Sept 2026 · brand's site

Brand price

Not recorded

No retailer listed yet
No retailer listed yet
Brand from South Korea
Brand country not recorded

At a Glance

Every check both products could be assessed on comes out the same. Tap any answer to see why.

Key Ingredients

  • PHA1

    Polyhydroxy acids — larger and milder than AHAs.

    Gluconolactone

  • Zinc salt (sebum/soothing)1

    Zinc salts, used for sebum control and soothing.

    Zinc PCA

  • Polysorbates (Tween emulsifiers)1

    Polysorbate (Tween) emulsifiers.

    Polysorbate 20

  • AHA1

    Alpha hydroxy acids — water-soluble chemical exfoliants.

    Glycolic Acid

  • Polysorbates (Tween emulsifiers)1

    Polysorbate (Tween) emulsifiers.

    Polysorbate 20

  • Benzoyl peroxide1

    An antibacterial acne treatment that kills C. acnes.

    Benzoyl Peroxide

Benefits

Concerns

  • May Worsen Seborrheic Dermatitis1

    May feed the yeast involved in seborrheic dermatitis.

    Polysorbate 20

  • May Trigger Acne1

    Can clog pores or trigger breakouts.

    Hexylene Glycol

  • May Worsen Seborrheic Dermatitis1

    May feed the yeast involved in seborrheic dermatitis.

    Polysorbate 20

  • May Worsen Keratosis Pilaris1

    May clog follicles or strip skin prone to keratosis pilaris.

    Hexylene Glycol

Ingredients Side-by-side

Show highlights for:

  • Water (in both products)

    Skin Conditioning

  • Propanediol

    Viscosity Controlling

    0-1 / —

    • Hydrating

  • Polysorbate 20 (in both products)

    Cleansing

    0 / 0

    • Fatty esters (glyceryl stearate, PEG-100 stearate)
    • Polysorbates (Tween emulsifiers)
    • May Worsen Seborrheic Dermatitis

  • Glycolic Acid

    Buffering

    0-1 / —

    • AHA
    • Glycolic acid
    • Anti-Aging
    • Brightening
    • Dark Spots
    • Exfoliating
    • Smoothing

  • Salicylic Acid

    Preservative

    • BHA
    • Salicylic acid
    • Acne Fighting
    • Exfoliating
    • Oil Control
    • Pore Refining

  • Gluconolactone

    Skin Conditioning

    • PHA
    • Exfoliating
    • Hydrating

  • Zinc PCA

    Humectant

    • Zinc salt (sebum/soothing)
    • Acne Fighting
    • Oil Control
    • Reduces Irritation

  • Allantoin (in both products)

    Skin Conditioning

    0 / 0

    • Reduces Irritation
    • Smoothing

  • Sodium Hyaluronate

    Humectant

    0 / 0

    • Hyaluronic acid
    • Hydrating

  • Sodium Hydroxide (in both products)

    Buffering

    0 / —

Ingredients Explained

These ingredients are found in both products.

Ingredients higher up in an ingredient list are typically present in a larger amount.

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