Cysteine
Cysteine is an antioxidant and hair conditioning ingredient. It’s in 12 products on Poliage, most often moisturizer, serum and mask. Avoid lists on Poliage that include it: none.
Updated October 21, 2026
What it does
Contains Cysteine: antioxidant
Function listed in CosIng
Contains Cysteine: antistatic
Function listed in CosIng
Contains Cysteine: hair-conditioning
Function listed in CosIng
Contains Cysteine: hair-waving-or-straightening
Function listed in CosIng
Contains Cysteine: masking
Function listed in CosIng
Contains Cysteine: reducing
Function listed in CosIng
Source: CosIng, the European Commission cosmetic ingredient database, ref 75422, accessed October 22, 2026. Also listed as l-cysteine.
Products that contain Cysteine
Peach & Lily
Advanced Rebound Bioglow Zombie Cream™
Moisturizer · None of Poliage’s flag groups listed
Peach & Lily
Blue Copper Peptide Pro Firming Face Serum - Korean
Serum · 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
Medicube
Deep Reviving Peptide Eye Cream
Eye cream · Lists fragrance, fragrance allergens, silicones
Medicube
PDRN Wrapping Mask
Mask · Lists essential oils
Peach & Lily
Peptide Pro Firming Moisturizer | Face Cream
Moisturizer · Lists essential oils
Peach & Lily
Rescue Party Barrier Comfort Cream | Skin Barrier Cream
Moisturizer · None of Poliage’s flag groups listed
Peach & Lily
Rescue Party Barrier Restore Serum | Skin Barrier Serum
Serum · None of Poliage’s flag groups listed
Peach & Lily
Super Oasis Hydrating Concentrated Serum
Serum · None of Poliage’s flag groups listed
Peach & Lily
Ultra Plush Rich Cream | Replenishing Moisturizer
Moisturizer · None of Poliage’s flag groups listed
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