The Skin Formulary
Ingredients
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The Skin Formulary
Ingredients
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Journal
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Active match
20%
Ingredient match
39%
Overall similarity
28%
The Inkey List
1% Retinol Serum
RRP
£23.00
Size
30 ml
Per ml
£0.77
Fragrance: No
Essential Oils: No
The Inkey List
20% Niacinamide Serum
RRP
£16.00
Size
30 ml
Per ml
£0.53
Fragrance: No
Essential Oils: No
Key Actives Comparison
Active Ingredient
1% Retinol Serum
20% Niacinamide Serum
Retinol
✓
1%
—
Apricot Kernal Oil
✓
5%
—
Squalane
✓
2%
✓
3%
Niacinamide
—
✓
20%
Zinc Pca
—
✓
0.5%
Full Ingredient Comparison
Shared Ingredients
Found in all 2 products (11)
Water
Glycerin
Squalane
Phenoxyethanol
Hydroxyethyl acrylate/sodium acryloyldimethyl taurate copolymer
Benzyl alcohol
Ethylhexylglycerin
Dehydroacetic acid
Polysorbate 60
Sorbitan isostearate
Trisodium ethylenediamine disuccinate
Only in 1% Retinol Serum
13 unique ingredients
Prunus armeniaca kernel oil
Persea gratissima oil
Caprylic/capric triglyceride
Cetearyl alcohol
Glyceryl stearate se
Retinol
Phospholipids
Tocopherol
Polyacrylate crosspolymer-6
Glycine soja oil
Glycolipids
Glycine soja sterols
T-butyl alcohol
Only in 20% Niacinamide Serum
4 unique ingredients
Niacinamide
Butylene glycol
Ammonium acryloyldimethyltaurate/vp copolymer
Zinc pca