Comparison
Hair, Skin, and Nail Resilience and Keratin Hair Booster Powder With Biotin
Hair, Skin, and Nail Resilience (Progressive Professional from Progressive Laboratories) lists 9 distinct ingredients and Keratin Hair Booster Powder With Biotin (Reserveage Nutrition) 7 (rows of one ingredient counted once); 7 are on both labels. On the site's similarity measure, which compares ingredient lists (1 for the same list, rarer ingredients counting for more; amounts are not part of it), the two formulas score 0.71.
| Ingredient | Hair, Skin, and Nail Resilience | Keratin Hair Booster Powder With Biotin |
|---|---|---|
| Vitamin B6 | 1 mg (59%) | 2 mg (118%) |
| Zinc | 8 mg (73%) | 15 mg (136%) |
| Niacin | 9 mg (56%) | 18 mg (113%) |
| Pantothenic Acid (Vitamin B5) | 7 mg (140%) | 14 mg (280%) |
| Biotin | 150 mcg (500%) | 3,000 mcg (10000%) |
| Copper | 0.8 mg (89%) | 1.7 mg (189%) |
| Keratin | 250 mg | 500 mg |
| Stinging Nettle | 200 mg | |
| Silicon | 100 mg |
Amounts are per serving as DSLD gives them: Hair, Skin, and Nail Resilience, 2 vegetable capsules; Keratin Hair Booster Powder With Biotin, 2.6 g. Current labels entered April 2022 and February 2017. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.
Each product on its own
- Hair, Skin, and Nail ResilienceProgressive Professional from Progressive Laboratories: every row against all products listing it
- Keratin Hair Booster Powder With BiotinReserveage Nutrition: every row against all products listing it