Synopsis
Practical Corneotherapy - Making Sense of the Skin is a science-based educational book for anyone interested in skin, skincare, and the professional treatment of the skin.
Drawing on nearly 40 years of industry experience and over 30 years of hands-on clinical practice, this book takes the reader beyond trends, marketing language, and product-led thinking, refocusing on the skin itself.
The skin is not a passive surface. It is a living, functioning organ that protects, regulates, communicates, repairs, and responds every single day. Practical Corneotherapy explains why understanding the skin must come before choosing products, treatments, or advanced techniques. It guides the reader through the importance of the epidermis, the skin barrier, the stratum corneum, skin function, inflammation, recovery, and long-term skin health.
This book is written for skincare professionals, students entering the industry, therapists wanting to deepen their understanding, and anyone who wants to make sense of the skin in a clearer, more practical way.
A practical corneotherapeutic approach does not look at the skin in isolation. It understands that the skin is attached to a human being, and no two skins are the same.
Every skin has a past, and that past presents itself in the present, allowing us to support it for the future. What environment has it been exposed to, how has it been treated, what has been applied to it, and what lifestyle choices may have influenced its behaviour.
This is why practical corneotherapy is not a one-size-fits-all approach. This can easily get lost when skincare becomes product-led rather than skin-led.
Rather than chasing perfection, Practical Corneotherapy encourages a more intelligent and respectful approach to skin, how to support it without working against its natural protective systems.
With a no-nonsense, skin-led approach, this book helps quiet the noise of the skincare industry and brings the reader back to what truly matters: understanding the skin, respecting its function, and supporting its health.
About the Author
Donna Glazer is a corneotherapist, skin science educator, award-winning clinician, and founder and CEO of I.D. Skincare in the United Kingdom.With 40 years in the beauty and skincare industry, Donna has spent the last three decades specialising exclusively in skin. She has owned and developed successful skin clinics, including transforming her original beauty business into a dedicated skin clinic that continues to run today.Donna has remained a hands-on, working skincare professional throughout her career. With over 30 years of clinical experience treating thousands of skins, she has consistently worked within corneotherapeutic principles, seeing first-hand the long-term clinical outcomes that come from working with the skin's needs, not against it.For the past 17 years, Donna has also distributed a leading corneotherapeutic product line, deepening her understanding of how the skin responds when products are truly aligned with corneotherapeutic values.Donna sits on the educational board of the International Association for Applied Corneotherapy and is a recognised educator within her field. She has trained and guided countless therapists, bringing clarity to both clinical practice and professional education.Known for her no-nonsense approach, Donna has a deep love and passion for skin and for teaching skin in a way that makes science easier to understand. Her work focuses on simplifying skin without diminishing its importance, helping therapists move away from trends, marketing language, and product-led thinking, and return to the skin itself.Her education is skin-led, science-based and grounded in real clinical practice. Her work has always returned to the same foundation: understanding what the skin is doing, why it is doing it, and how to support it with respect.Her book, Practical Corneotherapy- Making Sense of the Skin, brings together her clinical experience, educational work and long-standing commitment to helping professionals make sense of the skin.
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