Nina Anniston

Nina Anniston

The Role of Skin in Health and How to Look After It

  Jan 17, 2024
Reviewed by Dr Saket Srivastava

Role of Skin in Health

Skin is more than just a protective outer layer; it is a dynamic organ with a profound impact on your overall health. Beyond its obvious function as a barrier against external threats, it plays several significant roles in maintaining your well-being. 

From the outer to the inner layer, your skin needs proper cleansing and nutrition to stay hydrated. Besides maintaining regular hygiene with exfoliating products, spa treatments, and microneedling skin treatment can also aid in stimulating collagen production resulting in reduced signs of ageing. 

This article will explore the multifaceted functions of your skin in your health and provide tips on how to look after it. 

The Role of Skin in Your Health

  • Protection: Your skin acts as a formidable shield against harmful elements, including pathogens, pollutants, UV radiation, and physical injuries. The epidermis, the skin’s outermost layer, houses a robust defense system that prevents external threats from entering your body. 
  • Temperature Regulation: Through sweat production and blood vessel constriction or dilation, the skin helps regulate your body temperature. When you become too warm, sweat glands release sweat, which evaporates and cools the skin. Conversely, in cold conditions, blood vessels narrow to reduce heat loss and maintain internal temperature.
  • Sensation and Nervous System Communication: Your dermis contains millions of nerve endings that relay information to the brain. This sensory input helps you interact with your environment and respond to potential threats. The epidermis also communicates with the nervous system, thereby impacting the stress response.
  • Immune Defense: Immune cells within the derma, such as Langerhans cells, detect and neutralize foreign invaders and pathogens. This contributes to the overall immune defence system. 

The skin is the largest organ that weighs 12-16% of a person’s total body weight. It is composed of approximately 300 million skin cells. 

  • Vitamin D Production: Exposure to sunlight triggers the production of vitamin D in the skin. This vital vitamin is required for calcium absorption and strong bones – a deficiency can lead to various health issues, including a compromised immune system.
  • Excretion of Toxins: Sweating helps eliminate waste products and toxins from the body. Sweating removes excess salt, water, and small amounts of waste materials, contributing to the detoxification process.
  • Regulation of Hydration: The stratum corneum is the outermost layer of the epidermis and acts as a barrier to prevent excessive moisture loss. Proper skin hydration is necessary for maintaining good skincare practices and preventing issues like dryness and dehydration.

How to Look After Your Skin

  • Cleanse Gently: Remove dirt, oil, and makeup without stripping the face of its natural oils. Over-cleansing can lead to dryness and irritation.
  • Moisturize Regularly: Apply a suitable moisturizer to hydrate your face and help to maintain its natural moisture balance. Choose products that match your skin type.
  • Sun Protection: Protect against harmful UV rays by wearing sunscreen with a high SPF. Reapply as needed, especially when spending time outdoors.
  • Balanced Diet: Consume a diet rich in fruits, vegetables, and antioxidants to nourish your skin. Staying hydrated is also imperative for its health.
  • Hygienic Practices: Keep your skin clean and avoid touching it with dirty hands to prevent acne and other skin issues. 

The graph below shows that out of the four main beauty categories, it is skincare that has the highest projection to grow in the next few years.

Fragrance, Makeup, Hair care, and Skincare are the Four Beauty Categories Projected to Grow in the Next Four Years.

Medspa Treatments for Healthy Skin

Medspas, such as dermani Medspa, offers a range of treatments designed to enhance and maintain beautiful, radiant skin. These treatments are administered by trained professionals and can address various derma concerns. Here are some trendy Medspa treatments:

  • Facials: Customized facials can cleanse, exfoliate, and hydrate the face, promoting a radiant complexion.
  • Chemical Peels: Chemical peels remove the top layer of dead cells, revealing smoother, more youthful skin.
  • Microdermabrasion: This non-invasive procedure uses a device to exfoliate the skin, in turn improving its texture and appearance.
  • Dermal Fillers: Find the perfect dermatologist for better dermal fillers can plump up areas and restore volume to the face.
  • Botox: Botox injections can relax facial muscles, minimizing the appearance of dynamic wrinkles.
  • Laser Therapy: Laser treatments can address various skin concerns, from acne scars to pigmentation issues, promoting clearer and more even-toned skin.
  • Microneedling: Microneedling stimulates collagen production, improving skin texture and reducing signs of aging.


In conclusion, skin plays a significant role in your overall health, and it is necessary to care for it properly. Understanding your skin type is the first step to preventing its worsening effects caused by aging and other hormonal issues. Maintaining regular hygiene, and applying quality derma care products can remove toxins and provide relief from various pollutants and allergies. 

Medspa treatments can complement your derma regimen by addressing specific concerns and helping you achieve the glowing complexion you desire. Consider consulting with a qualified skincare professional at a medspa to explore the best treatment options for your skin’s unique needs.