Chapter 1 Gut-Skin Axis Role in Health and Disease.- Chapter 2 Mechanistic role of probiotics in improving skin health.- Chapter 3 Skin microbiome host immunity applications in regenerative cosmetics transdermal drug delivery.- Chapter 4 Probiotics and their various forms supporting skin health.- Chapter 5 Topical Probiotics Scope and challenges.- Chapter 6 Status of using Probiotic supplementation in Acne.- Chapter 7 Probiotics effects on skin health the case of photoprotection as a model of gut-skin dialog.- Chapter 8 Relationship between Probiotics and Gut-Skin Axis in Skin Wound Healing a Recent Update.- Chapter 9 Probiotics for Atopic Dermatitis An Update.- Chapter 10 Safety concerns, regulatory guidelines, current market trends and future directions towards use of probiotics in gut-brain-skin axis.- Chapter 11 Probiotics as Edible Vaccines.