Lysine Hcl in cosmetics: what it is and what it does

What does Lysine Hcl do in a product?

In a cosmetic product, Lysine Hcl keeps the skin in good condition and makes hair easier to comb, softer or shinier. The EU’s CosIng database lists these jobs for it: skin conditioning and hair conditioning.

What other names and numbers does Lysine Hcl have?

CAS number

657-27-2, 10098-89-2, 22834-80-6

EC number

211-519-9, 233-234-9 (L), 245-258-7 (DL)

CosIng reference

84654

Which products contain Lysine Hcl?

Open Beauty Facts finds Lysine Hcl in the ingredient lists of 34 of the 22,021 products it has a list for, most often hair care, hair conditioners and shampoos.

• Hair care5
• Hair conditioners4
• Shampoos3

Products with it, by country of sale: Australia 9 · France 6 · Canada 4 · Germany 4.

Counted on 13 October 2026 from Open Beauty Facts, which volunteers fill from real packs: it shows where Lysine Hcl turns up, not how much of the market it is.

Sources

The job, the description and the EU annex entry are CosIng’s; the fragrance allergens are the EU Annex III names Bravoora’s label checker reads; the product counts are Open Beauty Facts’.

1. European Commission: CosIng cosmetic ingredient database (functions, description, EU annex entry)
2. Open Beauty Facts: product database, 77,506 products, read 13 October 2026, ODbL

Contains information from Open Beauty Facts, which is made available here under the Open Database License (ODbL). Read the licence · Download this dictionary’s data · How we check