Milady NAILS Cengage CHAPTER 3 Pages 59-66 Structure Disorders Diseases

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Chapter 3 of Milady Nail Technology focuses on skin structure, disorders, diseases, and professional image, equipping nail technicians with the knowledge to recognize healthy and unhealthy skin and maintain safety and professionalism in the salon
Quizlet.
Skin Structure and Function
The skin is the largest organ of the body and part of the integumentary system, which also includes hair, nails, and glands.
Layers of the skin:
Epidermis: The outermost layer, responsible for protection, including the stratum corneum (outer barrier), stratum lucidum (transparent layer), stratum granulosum, stratum spinosum, and stratum basale (deepest living cells).
Dermis: Contains connective tissue, collagen, elastin, blood vessels, nerve endings, hair follicles, and sweat/sebaceous glands, supporting the epidermis with nutrients and sensory functions.
Subcutaneous layer: Composed of adipose (fat) tissue, providing cushioning and insulation.
Skin functions include protection against environmental hazards, regulation of temperature, sensation of touch/pain/pressure, absorption and excretion via sweat, and maintenance of hydration and elasticity.
Skin Disorders and Diseases
Nail technicians must recognize conditions that can affect service safety:
Inflammation and lesions: Raised, crusted, or ulcerated areas; infections or allergic reactions demand careful attention.
Infectious diseases: Caused by bacteria, fungi, or viruses, such as warts and contagious conditions, requiring proper sanitation protocols.
Abnormalities in pigmentation: Albinism, hyperpigmentation, vitiligo, melasma, and circular discolorations.
Sweat and sebaceous gland disorders: Hyperhidrosis (excessive sweating), bromhidrosis (foul odor), and miliaria (sweat eruptions).
Hygiene and barrier protection: Includes proper handwashing, PPE (gloves, masks, eyewear), cleaning, disinfecting, and sterilizing tools to prevent cross-contamination.
Professional Image and Ergonomics
Chapter 3 emphasizes the importance of professional image, including grooming, hygiene, posture, attire, and presentation.
Ergonomic practices help prevent strain from repetitive movements typical in nail services, including proper posture, work surface adjustments, and alternating positions.
Nail technicians should maintain clarity on personal health, stress management, and ongoing education to uphold their professionalism and safety standards.
Nutrition and Skin Health
Proper nutrition and hydration influence skin health, elasticity, and repair capabilities.
Vitamins such as A, C, D, E, and B-complex support immune function, wound healing, and collagen production, which are essential for healthy skin during esthetic treatments.

Key Takeaways for Nail Technicians
Ability to identify skin conditions and determine if a client can safely receive services.
Mastery of infection control and sanitation protocols, including cleaning, disinfecting, and sterilization.
Commitment to professional appearance, hygiene, and ergonomics for longevity in the industry.
Understanding the impact of nutrition, hydration, and lifestyle factors on skin and nail health.
Awareness that maintaining a professional image and practicing safe, hygienic procedures fosters client trust and industry credibility.
Chapter 3 integrates anatomy, physiology, infection control, and professional standards, giving aspiring nail technicians a foundational understanding necessary to provide safe, effective, and professional services.