- Silk Protein Shampoo: Soothing moisturizer with essential silk proteins & nutrients for all hair types. Sulfate free and Straightener safe. Helps soothe and moisturize hair without adding weight to the hair’s surface. The essential nutrients restore and re-balance the pH level of the hair leaving it smooth and stress-free with a healthy luster. - Silk Protein Conditioner: Adjustable conditioning for all hair types with silk protein & natural botanical extracts. Dry damaged and chemically treated hair beneﬁts from treatment with protein and amino acids that can penetrate and rebuild damaged hair due to differing molecular weights. Botanicals strengthen and revitalize the hair shaft. Instant conditioning releases exceptional manageability and healthy luster to stressed, depleted hair.