What is Cysteine?
Role not confirmed
We haven't written up what this ingredient does yet. The products below feature it as a key ingredient.
Which products feature it?
One of the 2320 products we've checked features this as a key ingredient.
Showing 1 to 1.
Key Cysteine (#8 on the ingredient list), Niacinamide 2%, Tranexamic Acid
4 claims checked
Claims, checked
Glutathione (Glutathione) + L-Cysteine + Cyanocobalamin + Tranexamic Acid
backed by evidence11 kinds of vitamin COMPLEX
backed by evidenceReal white jade whitening care containing special active ingredients!
partly backedA daily mild toner containing a heart that wants to tint you with a pink glow for dark spots and blemishes!
nothing specific to check
Are the claims about it backed up?
We checked each claim that features this ingredient. Open the list below to see the result for each one.
See the results by claim
| Result | Claims |
|---|---|
| backed by evidence | 1 of 1 |
These are counts of claims, not products. One product can name the same ingredient in several claims, and we checked each one on its own.