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INGREDIENT GLOSSARY

The scientific research laboratory responds.
Discover all our insights, tips, and news from the world of LeLang.

Niacinamide: what is it used for, what percentage should you use, and how to apply it
Niacinamide: what is it used for, what percentage should you use, and how to apply it
Niacinamide doesn’t work the same way at every concentration: 2–5% targets the skin barrier and redness, while 10% targets excess sebum and dark spots. When to apply it, what to pair it with, and how long it takes to see results.
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Acetyl Tetrapeptide-5 (Eyeseryl): how it works on under-eye bags
Acetyl Tetrapeptide-5 (Eyeseryl): how it works on under-eye bags
Acetyl Tetrapeptide-5 (Eyeseryl) targets under-eye puffiness by inhibiting the ACE enzyme and reducing capillary permeability. How it works, what the data say, and what to pair it with.
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Argireline (Acetyl Hexapeptide-8): how it works on wrinkles
Argireline (Acetyl Hexapeptide-8): how it works on wrinkles
Argireline (Acetyl Hexapeptide-8) softens expression lines by acting on the SNARE complex. How does it really work, why isn’t it Botox in a cream, and which wrinkles does it make sense to use it for?
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