Pregnenolone, 1,200 mg per bottle. USP Micronized Pregnenolone, Organic Ethanol, Palm Glycerin. 500 Skin Topical doses.  Anything on the skin is 10 times the oral dose in potency.  Two drop dose is 2.4 mg and the same as 24 mg/pill oral dose. Pregnenolone is the "mother" of all the sex hormones.