Peptides are being used to support stronger, fuller hair.

Peptides are appearing in hair serums, shampoos and supplements and are reported to support hair growth by improving scalp blood flow and strengthening hair follicles.

Peptides are increasingly included in hair-care products as an ingredient aimed at supporting fuller, stronger hair. Many people seek ways to address naturally thin hair or recent hair loss, which can result from stress, genetics, or frequent heat styling. Dermatologist Candace Thornton Spann is cited saying peptides encourage hair growth by improving blood flow to the scalp and strengthening the structure of hair follicles. She also notes peptides can be associated with increased collagen formation, which is important to follicle health. Key points: - Peptides are being used in a range of hair products, including serums, shampoos, and supplements. - Dr. Candace Thornton Spann is quoted saying peptides may improve scalp circulation and strengthen hair follicles. - Peptides are already common in other beauty items, such as lip treatments and face serums, and are extending into hair care. - The article summarizes expert comments and customer reviews and presents a guide to five peptide-containing hair products. Summary: Peptides are described as a growing ingredient in hair care because of their reported effects on scalp blood flow and follicle structure. The article compiles expert remarks and consumer feedback and then lists several peptide-containing products. Undetermined at this time.