SkinCeuticals
Blemish + Age Defense SerumThe Inkey List
10% Azelaic Acid Serum for Redness ReliefA serum built around BHA and Salicylic acid, for smoothing and barrier repair.
A serum built around Azelaic acid, for pollution defence and hydration.
Brand price
USD 115.00 · checked 28 Sept 2026 · brand's site
Brand price
USD 20.00 · checked 26 Sept 2026 · brand's site

At a Glance

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

Key Ingredients


Benefits

Barrier Repair3
Strengthens and restores the skin's natural barrier.
Smoothing5
Refines rough or uneven texture.
Citric Acid, Diisopropyl Adipate, Glycolic Acid, Helianthus Annuus Seed Oil, Salicylic Acid

Concerns

May Worsen Seborrheic Dermatitis1
May feed the yeast involved in seborrheic dermatitis.
May Worsen Seborrheic Dermatitis2
May feed the yeast involved in seborrheic dermatitis.
May Worsen Keratosis Pilaris1
May clog follicles or strip skin prone to keratosis pilaris.

Ingredients Side-by-side

Emulsifying
Skin Conditioning
Fragrance
0 / —
- Denatured alcohol
- May Worsen Dryness
- May Worsen Eczema
- May Worsen Irritation
- May Worsen Rosacea
Skin Conditioning
Hydroxyethyl Acrylate/Sodium Acryloyldimethyl Taurate Copolymer
Emulsion Stabilising
Fragrance
Skin Conditioning
Ingredients Explained
These ingredients are found in both products.
Ingredients higher up in an ingredient list are typically present in a larger amount.
Sodium Hydroxide
Buffering, Denaturant
Sodium hydroxide
Learn more about Sodium Hydroxide →
Similar Comparisons
Each product against its closest dupes.
- View the comparison

SkinCeuticals
Blemish + Age Defense Serum

La Roche-Posay
Effaclar Salicylic Acid Acne Treatment Serum
- View the comparison

The Inkey List
10% Azelaic Acid Serum for Redness Relief

Geek & Gorgeous
aPAD
- View the comparison

SkinCeuticals
Blemish + Age Defense Serum

Minimalist
Salicylic Acid 2% Face Serum
- View the comparison

The Inkey List
10% Azelaic Acid Serum for Redness Relief

The Derma Co
1% Kojic + Arbutin Night Repair Face Serum-Gel