10,000 mcg Biotin. My hair is now at hip length with this! (I switched to this 4 months after stopping Viviscal). It took me a total of 19 months to get from a shoulder blade length cut to the top of my hip bones. When it reaches an inch or two past tailbone length, I will start trimming it more regularly to maintain it at tailbone.
Foods for Healthy Hair: 5 Secrets for Longer, Thicker Hair:Hairfinity hair vitamins contains Biotin plus many other nutrients specifically for healthy hair growth. http://hairfinity.com/blog/foods-for-healthy-hair/
Organix thick & full biotin & collagen. I just bought all 3 of these the other day. You can buy them at Walmart. The shampoo and conditioner has no sulfates and smells amazing! The root boost spray (or the lotion one too) really thickens your hair which makes it tease really well. I'm super happy with this purchase! I'm hooked :)
Jason® Natural Biotin Hair Fortifying Shampoo Enriched with Plant Proteins, Ginseng and Chamomile Helps Promote Healthier Hair Jason Natural Biotin Shampoo is formulated to gently cleanse hair and scalp and help alleviate dry, itchy scalp, repair damaged hair and split ends with "bio-active" natural Biotin, Vitamin B5, Certified Organic Extracts of Marigo