Curology Custom Formula (Tretinoin 0.04% Clindamycin phosphate 1% Azelaic acid 7%) vs Curology Custom RX Serum (Tretinoin 0.035%, Azelaic Acid 5%, Niacinamide 4%)

Ingredients, safety and price, side by side

New comparison

The short answer

They share 10 ingredients. Custom Formula (Tretinoin 0.04% Clindamycin phosphate 1% Azelaic acid 7%) adds 1, Custom RX Serum (Tretinoin 0.035%, Azelaic Acid 5%, Niacinamide 4%) adds 2.

On ingredients it’s close — let price and texture decide.

Product Overview
What's inside
Paraben-Free
✓
✓
Sulfate-Free
✓
✓
Alcohol-Free
✓
✓
Silicone-Free
✓
✓
EU Allergen-Free
✓
✓
Fungal Acne (Malassezia) Safe
✓
✓
Minimal Ingredients
✓
✓
Ingredient Overview
Ingredients with Comedogenic Ratings
Tocopheryl Acetate Tocopheryl Acetate
Comedogenic
rating (0)
Tocopheryl Acetate Tocopheryl Acetate
Comedogenic
rating (0)
Propylene Glycol Propylene Glycol
Comedogenic
rating (0)
Total # of Ingredients
11
12
Ingredient Health Safety (EWG)
64%
27%
0%
9%
67%
25%
0%
8%
Prices ($USD) from trusted retailers
ingredient comparison (advanced)
Common ingredients found in both products

Azelaic Acid, Aloe Barbadensis Leaf Juice, C13-14 Isoparaffin, Caprylic/Capric Triglyceride, Water, Laureth-7, Phenoxyethanol, Polyacrylamide, Tocopheryl Acetate, Triethylene Glycol

Ingredients only in Curology Custom Formula (Tretinoin 0.04% Clindamycin phosphate 1% Azelaic acid 7%)

Cetyl Phosphate

Ingredients only in Curology Custom RX Serum (Tretinoin 0.035%, Azelaic Acid 5%, Niacinamide 4%)

Niacinamide, Propylene Glycol

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