Category: COSMETIC APPLICATIONS. OF LASER AND LIGHT-. BASED SYSTEMS

Hair Follicle Anatomy

The hair follicle can be divided into three anatomical compartments: the infundibulum, isthmus, and the inferior segment. The upper follicle is permanent, whereas the lower fol­licle, the inferior segment, regenerates with each hair follicle cycle. The infundibulum extends from the skin surface to the sebaceous duct. The isthmus, the permanent middle portion, extends from the […]

BASIC TECHNOLOGY AND TARGETS FOR LIGHT-BASED SYSTEMS

1 The Biology of Hair Growth 1.1.1.1 Gurpreet S. Ahluwalia (ed.), Cosmetic Applications of Laser and Light-Based Systems, 3-35, © 2009 William Andrew Inc. 1.2 Treatment of Hair Growth Disorders 25 References 26 1.1 Introduction The hair follicle is a highly dynamic organ found only in mammals. Although frequently overlooked, the follicle is fascinating from […]

COSMETIC APPLICATIONS. OF LASER AND LIGHT-. BASED SYSTEMS

Gurpreet S. Ahluwalia Though cosmetic science dates back nearly 4000 years, it is in the last two to four decades that the industry has made the most progress by coming up with high potency bioactive ingredients now part of cosmeceuticals, innovative topical drugs for beauty treatments, minimally invasive injectables such as Botox® Cosmetic and dermal […]