La Roche-Posay Effaclar Salicylic Acid Acne Treatment Serum vs Dr.Althea 0.1 Gentle Retinol Serum

La Roche-Posay

Dr.Althea

A serum built around AHA and Glycolic acid, for smoothing and brightening.

A serum built around Panthenol and Retinoid, for barrier repair and smoothing.

Serum

20 ingredients

32 ingredients

Brand price

USD 44.99 · checked 25 Sept 2026 · brand's site

Brand price

USD 23.90 · checked 26 Sept 2026 · brand's site

No retailer listed yet

Brand from France

Brand from South Korea

At a Glance

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

AHA2
Alpha hydroxy acids — water-soluble chemical exfoliants.
Citric Acid, Glycolic Acid
Glycolic acid1
The smallest AHA, and so the most penetrating.
Glycolic Acid
Niacinamide1
Vitamin B3 — supports the barrier and evens tone.
Niacinamide

Vitamin E1
Tocopherols — fat-soluble antioxidants.
Tocopherol
Bakuchiol1
A plant-derived ingredient studied as a retinol alternative.
Bakuchiol
Panthenol (provitamin B5)1
Provitamin B5 — a humectant and soother.
Panthenol
Retinoid1
Vitamin A derivatives that speed cell turnover.
Retinol

Hydrating1
Boosts hydration and relieves dry, tight skin.
Propanediol
Barrier Repair1
Strengthens and restores the skin's natural barrier.
Niacinamide
Redness Reducing1
Soothes visible redness and calms irritation.
Niacinamide
Anti-Aging1
Softens lines and helps skin look youthful.
Glycolic Acid

May Worsen Seborrheic Dermatitis3
May feed the yeast involved in seborrheic dermatitis.
PEG-30 Glyceryl Cocoate, PEG-40 Hydrogenated Castor Oil, PEG-60 Hydrogenated Castor Oil
May Worsen Irritation2
May cause stinging, redness or sensitivity.
Alcohol Denat., Fragrance
May Worsen Eczema2
May worsen itching or irritation for eczema-prone skin.
Alcohol Denat., Fragrance
May Worsen Rosacea2
Can trigger flare-ups in rosacea-prone skin.
Alcohol Denat., Fragrance

May Trigger Acne4
Can clog pores or trigger breakouts.
Glycine Soja Oil, Sorbitan Isostearate, Sorbitan Oleate, Tocopherol
May Worsen Seborrheic Dermatitis5
May feed the yeast involved in seborrheic dermatitis.
Glycine Soja Oil, Hydrogenated Lecithin, Polyglyceryl-3 Methylglucose Distearate, Sorbitan Isostearate, Sorbitan Oleate
May Worsen Keratosis Pilaris4
May clog follicles or strip skin prone to keratosis pilaris.
Glycine Soja Oil, Sorbitan Isostearate, Sorbitan Oleate, Tocopherol
May Worsen Oily Skin1
May increase shine or excess oil.
Glycine Soja Oil

Show highlights for:

Water (in both products)
Skin Conditioning
Glycerin
Humectant
0 / 0
- Possibly animal-derived
- Hydrating
Butylene Glycol
Humectant
1 / 0
- Hydrating
Dibutyl Adipate
Emollient
1,2-Hexanediol
Skin Conditioning
Panthenol
Skin Conditioning
0 / 0
- Panthenol (provitamin B5)
- Barrier Repair
- Hydrating
- Reduces Irritation
Glycine Soja Oil
Emollient
3 / 0
- Plant oils and butters (coconut, olive, shea)
- Plant or mineral oil
- Barrier Repair
- May Trigger Acne
- May Worsen Keratosis Pilaris
- May Worsen Oily Skin
- May Worsen Seborrheic Dermatitis
Hydrogenated Lecithin
Emulsifying
- Fatty esters (glyceryl stearate, PEG-100 stearate)
- May Worsen Seborrheic Dermatitis
Caprylic/Capric Triglyceride
Occlusive
1 / 1
Polyglyceryl-3 Methylglucose Distearate
Emulsifying
- Fatty esters (glyceryl stearate, PEG-100 stearate)
- May Worsen Seborrheic Dermatitis

These ingredients are found in both products.

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

Water
Antiplaque, Skin Conditioning, Solvent
Aqua (EU),Deionized Water,Distilled Water,Micromatrix Fractile AN,Onsen-Sui (JPN),Purified Water
Learn more about Water →

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