• Suitable for Men & Women. • Crystallizing Straightener N1. (For Natural Hair to Sensitized Hair) • Perfect Straight Effect. • Shining, Moisturizing, Silkiness. • Easy and Simple to Straight your Hair with great effect. • Smooth and Beautiful Straight Hair without Damage. • Super Hypoallergenic. • Crystallizing Straight cream only product from Shiseido Technology Masking.