Ingredient
Lysine HCL
What is Lysine HCL?
Lysine HCL is a form of the essential amino acid lysine combined with hydrochloric acid to enhance its stability and absorption. Lysine cannot be produced by the body and must be obtained through diet or supplementation.
In cosmetic formulations, Lysine HCL is often used as a conditioning agent. In supplements, it is valued for potential health benefits, such as aiding in calcium absorption and supporting immune function. However, evidence on these health claims remains ongoing and inconclusive, with mixed results.
When you see lysine HCL on a label, it is typically used to enhance the formulation's efficacy or to offer nutritional benefits within dietary supplements.
Commonly found in: dietary supplements, skin creams, personal care products, nutritional beverages
Benefits
- Lysine HCL may help in collagen production, which is beneficial for skin health.
- It can aid in calcium absorption, supporting bone health.
- Some studies suggest potential antiviral properties, particularly against herpes simplex virus, though evidence is mixed.
Lysine HCL is Generally Recognized as Safe (GRAS) by the FDA for use in food products.
Research into the benefits of Lysine HCL includes studies on immune support and bone health, but results are not conclusive.
Lysine HCL is typically synthesized or derived from plant sources, making it suitable for vegan diets.
Sources: Food Additive Status List
Scout's take
Lysine HCL is an amino acid used in skincare for its potential moisturizing properties. It may help improve skin hydration and elasticity. Its benefits in topical application are not well-established.
The case against
There are minimal risks, though it may cause irritation in very sensitive skin.
from the analysis of Eucerin Advanced Repair Lotion for Very Dry Skin BottleThe case for
Lysine HCL may help improve skin hydration and elasticity.
from the analysis of Eucerin Advanced Repair Lotion for Very Dry Skin BottleFound in 1 product
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