

Vitamin A
Discover the science and potential of the ingredient, Vitamin A. Explore the history, molecular structure, and various forms of retinoids—from over-the-counter retinols to prescription-strength formulations—and learn how they work at a cellular level to improve skin texture, tone, and overall health. Gain insight into why certain types of retinoids are chosen in product development, and see how iS Clinical incorporates Vitamin A into its formulations to promote renewal, radiance, and long-term skin health.


- Length 33 minutes
- Materials Videos
- Certificate Certificate of Completion
- Audience Aesthetic Professionals + Educators & Trainers + Students + iS Clinical Brand Partners
- Level Intermediate
Course Content
Lesson 1: Vitamin A in Skincare: History, Derivatives, and Benefits
3 Topics
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History of Retinols
Vitamin A and Derivatives
Vitamin A
Lesson 2: The Role of Vitamin A in iS Clinical Formulations
1 Topic
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Vitamin A with Dr. Charlene DeHaven
Lesson 3: Vitamin A Myths
1 Topic
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Myth or Truth: Retinol is the Most Important Product or Ingredient for the Skin
What To Expect
- On-demand content
- Learn at your own pace
- Get a certificate
- Become the expert!
What You’ll Learn
- The molecular structure and function of Vitamin A and its derivatives in the skin
- How retinoids influence cellular turnover, collagen production, and skin renewal
- The history and evolution of Vitamin A in the aesthetic industry
- iS Clinical’s use of Vitamin A in formulations and the rationale behind ingredient selection


Dr. Charlene DeHaven
MD, FACEP, Clinical Director at iS Clinical


Dr. Tahl Humes
Board Certified Physician & Founder of VITAHL Medial Aesthetics


Molly Peters
Vice President, Global Corporate Account Development 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.


Dr. Charlene DeHaven
Dr. Humes is a board-certified physician and founder of VITAHL Medical Aesthetics in Denver, recognized internationally for her expertise in aesthetic and anti-aging medicine, advanced injectables, lasers, and non-invasive body contouring, and known for training physicians worldwide and delivering natural, youthful results.“It’s not just about skincare alone or injectables alone or treatments alone. It really is merging them all together and finding the right balance of treatment and home care for your patients.”


Dr. Tahl Humes
Molly Peters is the Senior Director of U.S. Sales for iS Clinical, overseeing sales, corporate accounts, and e-commerce, and is recognized for her strategic leadership, team development, and passion for building lasting relationships within the aesthetic industry.“Even though I use the word “sales”, I really never even think of it as that. What I always think about is patient care and education. It’s really important that we emphasize that by selling products to them. We’re really providing solutions to our patients.”


Molly Peters




