Humectant

Lysine HCl

An amino acid salt used as a humectant and conditioning ingredient, sometimes included in barrier-support and anti-aging formulas.

amino acidhumectantconditioning
✓ Safe
Comedogenic Rating
0/5
Irritation Potential
0/5

What is it?

Lysine HCl is the hydrochloride salt form of L-lysine, an essential amino acid involved in collagen formation, used in cosmetics for its humectant and conditioning properties.

Used in moisturizers and anti-aging formulas as part of amino acid blends supporting hydration and conditioning.

Key Benefits

✦
Humectant support
Contributes to skin's ability to attract and retain moisture.
◈
Conditioning effect
Part of the amino acid profile that supports a smoother skin feel.

Suitable for

most skin types seeking light hydration support

Main Actions

✓ humectant effect✓ conditioning
When it may be insufficient

Its individual contribution is modest — it works best as part of a broader amino acid or peptide complex rather than as a standalone active.

Frequently Asked Questions

What does Lysine HCl do for skin?
Used in moisturizers and anti-aging formulas as part of amino acid blends supporting hydration and conditioning.
Who should use Lysine HCl?
Lysine HCl is suitable for: most skin types seeking light hydration support.
Are there any warnings about Lysine HCl?
Its individual contribution is modest — it works best as part of a broader amino acid or peptide complex rather than as a standalone active.

Check if this ingredient works for your skin — analyze your full product formula for free.

Analyze your product