Leucine
Leucine is a skin conditioning and hair conditioning ingredient. It’s in 10 products on Poliage, most often mask, moisturizer and eye cream. Avoid lists on Poliage that include it: none.
Updated October 21, 2026
What it does
Contains Leucine: antistatic
Function listed in CosIng
Contains Leucine: hair-conditioning
Function listed in CosIng
Contains Leucine: skin-conditioning
Function listed in CosIng
Source: CosIng, the European Commission cosmetic ingredient database, ref 35003, accessed October 22, 2026. Also listed as l-leucine.
Products that contain Leucine
Peach & Lily
Advanced Rebound Bioglow Zombie Cream™
Moisturizer · None of Poliage’s flag groups listed
Medicube
Azelaic Acid Niacinamide Toner
Toner · None of Poliage’s flag groups listed
Torriden
CELLMAZING Collagen Firming Cream
Moisturizer · Lists silicones
Torriden
CELLMAZING Firming Gel Mask (Face Only)
Mask · None of Poliage’s flag groups listed
collagen face mask
None of Poliage’s flag groups listed
Davines
Davines MOMO Moisturizing Shampoo
Lists fragrance, fragrance allergens, essential oils, coconut derivatives
Medicube
Deep Reviving Peptide Eye Cream
Eye cream · Lists fragrance, fragrance allergens, silicones
Medik8
Exo-PDRN Prismatic+
Serum · Lists fragrance allergens
Medicube
PDRN Wrapping Mask
Mask · Lists essential oils
sirius groom shampoo
Lists fragrance, coconut derivatives
Related guides
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