PRODEW® 500 is the amino acid blend, developed to realize a new technology for hair care. Unlike in the case of the skin, the presence and the role of naturally occurring free amino acids in hair are not well known, but amino acids applied externally are known to interact with the hair to produce various cosmetic effects, such as moisturizing, strengthening structure, color-protect and repair of surface damage. INCI Name Sodium PCA (and) Sodium Lactate (and) Arginine (and) Aspartic Acid (and) PCA (and) Glycine (and) Alanine (and) Serine (and) Valine (and) Proline (and) Threonine (and) Isoleucine (and) Histidine (and) Phernylalanine (and) Water. Components Concentration Effects Sodium PCA 20% Moisturizing, Conditioning, Improvement of Color Retention Arginine 7% Moisturizing, Conditioning, Improvement of PCA adsorption Amino Acids Mix 7% Damage Care Sodium Lactate 12% Moisturizing Aspartic Acid 4% pH adjustment Water 50% Recommended dosage 0.5 –5.0% for rinse-off formulations. 0.2 –2.0% for leave-on formulations. Solubility: Water Soluble Major Applications PRODEWⓇ 500 provides a variety of functions in various cosmetic preparations. ●Hair Care Products : shampoos, conditioners, post-dye conditioners, hair masks, hair sprays, hair styling gels, etc. ●Skin Care Products : creams, lotions, tonics, facial cleanser, shower gels, etc. ●Sun Care Products : pre and post sun care creams, lotions, gels, etc. ●Make-Up Products : foundations, lipsticks, etc. Characteristics ●The efficacy of amino acids and PCA on hair ●Basic amino acids : improve hair strength and hair shine ●Neutral amino acids : improve the dry feel of hair (combability, smoothness and silky feel) ●Acidic amino acids : improve the wet feel of hair (combability and smoothness) ●PCA:improve color retention of dyed hair