Is this product only for curly hair? Does it have any keratine chemicals?

Thank you for contacting Wella Professional. We value your brand loyalty. Wella Professionals Invigo Nutri-Enrich Mask is for dry or distressed hair of all types. Wella INVIGO Nutri-Enrich Deep Nourishing MaskA moisturizing hair mask with Nutri-Enrich-Blend™: Oleic Acid and Panthenol provide moisture and nourishment for hair, while Vitamin E protects hair from further stress. With Goji Berry which is known to be extremely rich in vitamins, minerals and peptides.

Is this product similar to the old wella kolestrol?

Thank you for contacting Wella Professionals. We value your brand loyalty. Wella Professionals Invigo Nurti-Enrich Mask is simililar to the Wella Kolestrol mask as it is a Deep Nourishing & Moisturizing Hair Mask For Dry & Damaged Hair.

Is there protein in this?

Thank you for contacting Wella Professionals. We value your brand loyalty. A moisturizing hair mask with Nutri-Enrich-Blend™: Oleic Acid and Panthenol provide moisture and nourishment for hair, while Vitamin E protects hair from further stress. With Goji Berry which is known to be extremely rich in vitamins, minerals and peptides.