HnP Placenta with Olive Oil Leave-In Instant Conditioning Treatment Spray moisturizes & nourishes dry, damaged hair. Made with natural Placenta Extract, this leave-in spray is SLS/SLES free, Gluten-free, Phthalate-free, and made with vegetable derived ingredients. Made with natural Placenta Extract SLS/SLES free, Gluten-free, Phthalate-free