Bundle of 3. All brand new & sealed. Yū Beauty Collagen contains a unique blend of optimized collagen peptides! Type I and Type III (bovine source) are specifically used to promote hair, skin, and bone health. This will boost the elasticity of your skin, help erase wrinkles and restore your youthful glow. Yū Beauty Collagen contains optimized collage peptides. This is what sets us apart from other products.