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Vitamin-D & Skin Health

May 14, 2020
1 min read

Updated: Mar 5, 2025


Did you know Vitamin D is also a hormone? A deficiency or excess can manifest in your skin. Vitamin-D optimal level in the body is vital for proper skin function. Here is why: ⠀⠀ Maintains the skin’s lipid barrier function. It regulates the making of ceramides in the skin that are critical for the skin's barrier formation. Conditions like psoriasis, eczema, rosacea, and dermatitis are associated with an impaired barrier function. Regulates cell turnover.

Vitamin-D3 and its receptor directly affect skin cell renewal by affecting keratinocyte proliferation (multiplication) and differentiation (growth and maturation). Regulates the skin’s natural immune response. Vitamin D helps activate the innate immune response in the skin, thus preventing the spread of infection. This mechanism may play a role in regulating acne-causing bacteria. ⠀ Regulates autoimmune response by suppressing proinflammatory cytokines in the skin. Many autoimmune conditions are associated with vitamin D deficiency or mutations in its receptor. Psoriasis, eczema, rosacea, and dermatitis all have an autoimmune component. ⠀ Before starting supplementation, it is best to know your levels first, not to take it alone. Other minerals and vitamins are also needed for proper absorption and use by the body.


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The information provided on this website and through Integrative Aesthetics Boston is intended for general educational and informational purposes only and should not be considered individualized medical advice. Integrative Aesthetics Boston is a functional dermatology and integrative skincare practice led by a licensed Nurse Practitioner. Clinical evaluation, diagnosis, treatment, prescriptions, laboratory testing, skincare recommendations, procedures, and other services are provided only when appropriate within an established clinician-patient relationship and within the practitioner’s professional scope of practice. Website content does not establish a clinician-patient relationship and should not be used as a substitute for individualized evaluation by a qualified healthcare professional. If you have, or suspect that you have, a medical condition, please seek appropriate medical care. Do not start, stop, or change medications, supplements, nutrition, or other aspects of your medical care without guidance from a qualified healthcare professional. Integrative Aesthetics Boston may collaborate with or refer patients to dermatologists, primary care providers, and other qualified healthcare professionals when clinically appropriate. Individual results vary and cannot be guaranteed. Integrative Aesthetics Boston does not provide emergency or urgent-care services. If you are experiencing a medical emergency or severe or rapidly worsening symptoms, call 911 or seek immediate care through an emergency department or appropriate urgent-care provider. Statements regarding dietary supplements have not been evaluated by the U.S. Food and Drug Administration and are not intended to diagnose, treat, cure, or prevent disease.

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