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Proline dupes

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What is Proline?

Proline functions in skincare and cosmetics as a/an hair moisturizing, moisturizing ingredient.

More information on Proline (if available)

2-Pyrrolidinecarboxylic acid, (S)-

Is this a restricted ingredient*?

*If information on an ingredient is missing, you’ll see a blank. Just know it’s coming soon! Bookmark and watch this space.

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Skincare Dupes