Fundamentals of cosmetology – skin structure, diagnostics & treatment planning

Fundamentals of cosmetology provide the essential scientific and practical framework required for safe, informed, and structured work in professional skin care. A solid understanding of skin anatomy, physiology, diagnostics, and treatment planning forms the foundation for effective cosmetology practice.

A new version of the Fundamentals of Cosmetology course is now available. The training introduces core concepts necessary for professional practice, covering skin anatomy and physiology, skin analysis, client qualification, treatment planning, and the fundamentals of organized spa and treatment room work.

The course program includes:

• human anatomy and physiology from a cosmetology-focused perspective
• structure and function of the skin, including anatomy and histology
• the hydrolipid barrier, natural moisturizing factor (NMF), and the skin microbiome
• collagen, hyaluronic acid, and the biological processes of skin aging
• facial vascularization, innervation, and lymphatic nodes
• skin appendages, including hair and glands
• skin types and professional skin analysis
• the most common skin concerns and conditions encountered in clinical practice
• dermatology in cosmetology as essential foundational knowledge
• the cosmetology consultation and structured client intake
• development of an individualized beauty care plan
• client qualification for cosmetology treatments
• indications and contraindications for cosmetology procedures
• skin care strategies tailored to specific skin needs and conditions
• selection of cosmetic products for professional use
• safe and effective combination of cosmetology treatments
• pre- and post-procedure recommendations
• cosmetic regulations, product safety, and compliance
• medical devices used in cosmetology practice
• work organization and safety standards in the treatment room
• preparation of the client’s skin prior to treatment
• step-by-step performance of a Dry Skin facial treatment

Who this course is for

This course is intended for estheticians, cosmetologists, massage therapists, and individuals beginning their education in cosmetology. It serves both as an introductory foundation for professional practice and as a structured knowledge refresher before implementing cosmetology treatments in a clinical setting.

Course access

The full course is delivered online with immediate access after purchase. It includes video materials, interactive theoretical content, and a practical component. Upon completion, a knowledge assessment quiz is available, and a certificate is generated after successful completion.

This update also applies to participants who purchased the course previously — the updated version is already available in student accounts.

View the course