Silk & Shine Protein & Collagen delivers up to 80% hair smoothing with results lasting up to 4 months. Without changing hair color. Formaldehyde-free, making it suitable for pregnant women, children, and people with sensitivities.
Wash the hair and dry it completely. Apply the product evenly throughout the hair and leave it on for 40 minutes. Blow-dry the hair completely, then straighten thoroughly with a flat iron. Wash the hair the next day and blow-dry only.
