Lauroyl Lysine Good Humectant Hydration Lauroyl Lysine at a glance Functions as a skin-softening and hair-conditioning agent, imparting a silky feel Popular in makeup formulations that promise long wear due to the exceptional adherence to skin Also used to adjust the texture of cosmetic formulas Proven track record of safety in concentrations up to 45% Lauroyl Lysine description Lauroyl lysine is an amino acid derivative that functions as a skin-softening and hair-conditioning agent, imparting a silky feel. It also contributes to a product’s texture by helping to gel the solvents, while also remaining stable under high heat conditions. Lauroyl lysine can be found in all kinds of beauty products including sunscreens, eye makeup, lipsticks, and hair care serums. In makeup, it is often used to help ensure longer-lasting wear thanks to its excellent adherence to skin. The Cosmetic Ingredient Review Expert Panel conducted a safety assessment of lauroyl lysine in 2017 and concluded it is safe in the reported cosmetic uses in concentrations up to 45%. As a raw material it comes in white crystalline powder form.