AC Collection Ultimate Spot Cream
10% Azelaic Acid Booster

COSRX

AC Collection Ultimate Spot Cream

Paula's Choice

10% Azelaic Acid Booster

A spot treatment built around Mineral sunscreen, for barrier repair and smoothing.

A spot treatment built around Azelaic acid and BHA, for barrier repair and smoothing.

Spot treatment
Spot treatment
24 ingredients
21 ingredients

Brand price

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

Brand price

USD 42.00 · checked 8 Oct 2026 · brand's site

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

At a Glance

They come out differently on Fragrance-free and Oil-free; those rows are shaded. Tap any answer to see why.

Key Ingredients

  • Mineral sunscreen1

    Uses zinc oxide or titanium dioxide to absorb and scatter UV rays.

    Zinc Oxide

  • Fatty alcohol1

    Waxy fatty alcohols used as emollients and thickeners; unrelated to drying alcohol.

    Cetearyl Alcohol

  • Sunscreen1

    Any ingredient acting as a UV filter.

    Zinc Oxide

  • Centella asiatica (Cica)3

    Centella asiatica (cica), used to calm irritation.

    Asiatic Acid, Asiaticoside, Madecassic Acid

  • Fatty alcohol1

    Waxy fatty alcohols used as emollients and thickeners; unrelated to drying alcohol.

    Cetearyl Alcohol

  • Azelaic acid1

    Works on acne, redness and pigmentation at once.

    Azelaic Acid

  • BHA1

    Beta hydroxy acid — oil-soluble, so it works inside the pore.

    Salicylic Acid

  • Salicylic acid1

    The BHA used in acne treatment.

    Salicylic Acid

Benefits

Concerns

Ingredients Side-by-side

Show highlights for:

  • Aloe Barbadensis Leaf Water

    Fragrance

  • Butylene Glycol (in both products)

    Humectant

    1 / 0

    • Hydrating

  • Helianthus Annuus Seed Oil

    Emollient

    0 / 0

    • Plant oils and butters (coconut, olive, shea)
    • Plant or mineral oil
    • Barrier Repair
    • Hydrating
    • May Worsen Oily Skin
    • May Worsen Seborrheic Dermatitis

  • Glycerin (in both products)

    Humectant

    0 / 0

    • Possibly animal-derived
    • Hydrating

  • Zinc Oxide

    UV Filter

    1 / 0

    • Mineral sunscreen
    • Sunscreen
    • Reduces Irritation
    • Sun Protection

  • Cetearyl Alcohol (in both products)

    Emollient

    2 / 1

    • Fatty alcohol
    • Fatty alcohols (Malassezia)
    • May Trigger Acne
    • May Worsen Keratosis Pilaris
    • May Worsen Seborrheic Dermatitis

  • Dimethyl Sulfone

    Viscosity Controlling

    0-1 / —

  • Betaine

    Humectant

    0 / —

    • Hydrating

  • Polysorbate 60

    Cleansing

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

  • Elaeis Guineensis Oil

    Emollient

    • Plant oils and butters (coconut, olive, shea)
    • Plant or mineral oil
    • May Worsen Oily Skin
    • May Worsen Seborrheic Dermatitis

  • Water

    Skin Conditioning

  • Azelaic Acid

    Buffering

    • Azelaic acid
    • Acne Fighting
    • Dark Spots
    • Even Tone
    • Redness Reducing

  • C12-15 Alkyl Benzoate

    Emollient

    • Fatty alcohols (Malassezia)
    • May Worsen Seborrheic Dermatitis

  • Caprylic/Capric Triglyceride

    Occlusive

    1 / 1

  • Methyl Glucose Sesquistearate

    Emollient

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

  • Glycerin (in both products)

    Humectant

    0 / 0

    • Possibly animal-derived
    • Hydrating

  • Cetearyl Alcohol (in both products)

    Emollient

    2 / 1

    • Fatty alcohol
    • Fatty alcohols (Malassezia)
    • May Trigger Acne
    • May Worsen Keratosis Pilaris
    • May Worsen Seborrheic Dermatitis

  • Glyceryl Stearate

    Emollient

    1 / 0

    • Fatty esters (glyceryl stearate, PEG-100 stearate)
    • Possibly animal-derived
    • May Worsen Seborrheic Dermatitis

  • Dimethicone (in both products)

    Emollient

    1 / 0

    • Silicones
    • Barrier Repair
    • Hydrating
    • Smoothing

  • Salicylic Acid

    Preservative

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

Ingredients Explained

These ingredients are found in both products.

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

  • Butylene Glycol

    Fragrance, Humectant, Skin Conditioning, Solvent, Viscosity Controlling

    Butane-1,3-diol (CAS No. 107-88-0/ EC No. 203-529-7) (R)-(-)-butane-1,3-diol” (CAS No. 6290-03-5/ EC No. 228-532-0)

    Learn more about Butylene Glycol →

  • Glycerin

    Denaturant, Fragrance, Hair Conditioning, Humectant, Oral Care, Perfuming, Humectant, Skin Protecting, Solvent, Viscosity Controlling

    Glycerin may be plant, synthetic or animal depending on the supplier.

    Learn more about Glycerin →

  • Cetearyl Alcohol

    Emulsion Stabilising, Opacifying, Emollient, Cleansing, Emulsifying, Foam Boosting, Viscosity Controlling

    Cetearyl Alcohol isn't fungal acne safe.

    Learn more about Cetearyl Alcohol →

  • Dimethicone

    Antifoaming, Skin Conditioning, Emollient, Skin Protecting

    Dimethicone is a silicone.

    Learn more about Dimethicone →

  • Xanthan Gum

    Binding, Emulsion Stabilising, Gel Forming, Skin Conditioning, Cleansing, Emulsifying, Viscosity Controlling

    Xanthan gum

    Learn more about Xanthan Gum →

Similar Comparisons

Each product against its closest dupes.