Biotin 10,000 mcg Plus Keratin 100 mg

Biotin 10,000 mcg Plus Keratin 100 mg and 9 near-identical products are sold under 7 different brand names — a near-twin Formula Twins cluster.

Product	Brand
Biotin 10,000 mcg Plus Keratin 100 mg	Mason Natural
Biotin 1,000 mcg	Carlson
Biotin 1,000 mcg	Carlson
A.M. Formula	Nature's Bounty Optimal Solutions
ALA 2/Day	Adaptogen Research
Biotin 1000 mcg	Bronson
Hair, Skin & Nails	Nature's Measure
Biotin 1000 mcg	Bronson
Biotin 10,000 mcg	Windmill
Biotin 5,000 mcg	Windmill