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iS Clinical / Courses / Skin 101

Skin 101

Build a foundational understanding of the skin’s anatomy and physiology. This course covers the layers of the skin, its key functions, and the role of the skin’s immune system in maintaining health and balance. Ideal for professionals seeking a solid clinical base to support advanced skincare knowledge.
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  • Length 23 minutes
  • Materials Videos
  • Certificate Certificate of Completion
  • Audience Aesthetic Professionals + Educators & Trainers + Students
  • Level Beginner

Course Content

Lesson 1: Skin Histology & Function 2 Topics
Lesson Content
0% Complete 0/2 Steps
Introduction to Skin
Skin Immune Function

What To Expect

  • On-demand content
  • Learn at your own pace
  • Get a certificate
  • Become the expert!

What You’ll Learn

  • An overview of the structure of the skin, including its primary layers and visible components
  • An introduction to commonly referenced skin science concepts related to the epidermis and dermis
  • How the skin is discussed in relation to appearance, comfort, and environmental exposure
  • An overview of the skin barrier and protective concepts as they relate to maintaining healthy-looking skin
  • Foundational knowledge designed to support professional practice in aesthetics

instructors

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Dr. Charlene DeHaven
MD, FACEP, Clinical Director at iS Clinical
Dr. Charlene DeHaven
MD, FACEP, Clinical Director at iS Clinical
Dr. Charlene DeHaven is a board-certified Internal Medicine physician and Clinical Director of Innovative Skincare, with over 20 years of experience in anti-aging, skincare product development, and age management, recognized internationally for her research, education, and media contributions.
View Courses by Dr. Charlene DeHaven
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Dr. Charlene DeHaven
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Frequently Asked Questions

Your questions answered about iS Clinical EDU and its resources for skincare professionals.

The skin serves as a protective barrier, helps regulate moisture, and supports sensory perception. Skincare focuses on maintaining a healthy, balanced barrier for optimal comfort and visible radiance.

A strong barrier helps the skin retain moisture and resist environmental stress. When the barrier is compromised, skin may appear dull, flaky, or irritated. Hydration and gentle cleansing support barrier resilience.

Hydration refers to the water content within the skin, while moisture relates to the skin’s oil and lipid balance. Hydrating ingredients like hyaluronic acid draw water into the skin, while moisturizing ingredients such as emollients and oils help lock it in.

Factors such as extreme temperatures, wind, dehydration, pollution and the natural aging process can all contribute to visible changes in the skin’s tone, texture and overall appearance. This course identifies common contributors to compromised or dry, dehydrated skin and explains how targeted skincare education supports practitioners in recommending products and routines that help restore the skin to a healthier, more balanced state. Understanding these factors is foundational to delivering effective consultations and treatment plans.

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