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Cysteine (F.I.L. B210573/1) and Tocopherol are both works on your skin ingredients. Cysteine (F.I.L. B210573/1) is found in 1 product while Tocopherol appears in 927, making Tocopherol the more widely used option.
Works on your skin
Vitamin E antioxidant
L'Oreal Lash Serum Transparent
Cysteine (F.I.L. B210573/1) is categorised as "Works on your skin" while Tocopherol is categorised as "Works on your skin". They serve different functions in skincare formulations.
In most cases, these ingredients can be used together. However, always patch test and introduce new ingredients gradually.
Cysteine (F.I.L. B210573/1) is found in 1 products, while Tocopherol is found in 927 products in our database.
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© 2026 Gracie. All rights reserved. Data sourced from Open Beauty Facts (ODbL) and EU CosIng.