Nourish your scalp and rejuvenate your hair with Dr. Berg Scalp and Hair Serum. Same trusted formula, now crafted with even better ingredients from purer sources! This exclusive blend of premium-quality plant oils and essential vitamins helps combat brittle and dull hair that’s hard to manage. Dr. Berg Scalp and Hair Serum has been clinically tested and is certified paraben-free, sulfate-free, silicone-free, cruelty-free, and safe for sensitive skin. Scalp and Hair Serum is backed by our 30-day money-back guarantee!