Functional Materials for Hair

This review explores how hair dyes and perms can damage hair structure and notes that while some adverse outcomes like skin irritation and allergic reactions have been reported, evidence from human studies remains inconsistent regarding potential risks, including cancer.

This article reviews the use of laser and light-based devices for hair removal, highlighting their effectiveness in significantly reducing hair growth in individuals with fair skin and dark hair, and suggests that photoepilation offers advantages over traditional hair removal methods.

This review discusses the components and effects of various hair cosmetic procedures and explores new techniques like camouflage methods and tattoo scalp, without reporting new clinical results.

This chapter reviews plant extract-based cosmeceuticals for hair care and hair loss but presents no new clinical findings, instead discussing active ingredients with supportive scientific data.