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Lysine

Lysine is an essential amino acid, meaning the body cannot produce it and it must be obtained through diet. In cosmetic formulations, it functions as a skin conditioning agent. It can help support the skin's natural barrier and contribute to hydration.

Amino acid

BenefitMinimal 1.2 / 4

Hydration i1 / 4

Whether the ingredient helps increase the skin’s water content — humectants that attract water, ingredients that reduce water loss, or ones that make skin feel less dry.

Soothing i0.5 / 4

Whether it can calm the skin — linked to less redness, irritation, discomfort, or visible reactivity.

Texture i0.5 / 4

Whether it can improve smoothness and surface texture — roughness, flaking, clogged pores, or unevenness. Exfoliating acids, retinoids, and smoothing moisturizers may score here.

RiskVery low 0 / 4

Rated by SpottyLabs' ingredient methodology, independent of brands.

What it helps with

Skin conditioning
Supports skin barrier function

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