Professional Beauty
Professional Beauty


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Spotlight on... VITAMIN D

Why the hype?

Som etimes referred to as the “sun vitamin”, vitamin D is one of the best-known hormones made by the skin and it plays an important role within the body.

“Vitamin D is both a nutrient we eat and a hormone our bodies make,” explains Lorraine Perretta, head of nutrition at supplement brand Advanced Nutrition Programme (ANP). “It is fat soluble and a key co-factor that helps the body absorb and retain calcium and phosphorus – both of which are critical for supporting bone building.

“Based on research, vitamin D can support the reduction of inflammation within the body and, in turn, our skin. Many of our body’s organs and tissues have receptors for vitamin D and we know its benefits go way beyond bone health. It is a critical vitamin for supporting functions throughout the body.”

How does it work?

It’s no exaggeration to say vitamin D is essential to our health. “It is involved in calcium absorption, immune function, and protecting bone, muscle and heart health,” says Gary Lipman, managing director of JK Group, which has a portfolio of UV and sunless tanning products. “The best and most natural source of vitamin D is responsible, moderate exposure to UV light… always avoiding burning.”

The body creates vitamin D from direct sunlight on the skin, so reduced exposure leads to a decreased production of it. However, as well as supplementation, vitamin D can be added into skincare formulations to benefit the complexion, playing an integral role by contributing to cell growth, repair and metabolism.

“Using vitamin D in skincare can help reinforce the skin’s barrier, neutralise free radical damage, reduce inflammation and minimise the symptoms of acne due to its antimicrobial properties,” says Lindsay Gray, general manager for Eden Aesthetics – the exclusive distributor of Epionce in the UK and Ireland.

What are the different forms?

“Vitamin D is a family of fat-soluble vitamins – the two main forms are vitamin D2 (ergocalciferol) and vitamin D3 (cholecalciferol),” says Dr Gaby Prinsloo, medical director at the International Institute for Anti-Ageing (IIAA), which manufactures ANP. “We get vitamin D2 from plants, while vitamin D3 is formed in the skin of animals after exposure to UVB rays.”

She adds: “Both vitamin D2 and vitamin D3 are converted to 25-hydroxyvitamin D3 in the liver, and then to 1,25-dihydroxyvitamin D3 in the kidneys. This last form is hormonally active. It binds to the vitamin D receptors and exerts its biological effects.”

What can cause a vitamin D deficiency?

From late March to the end of September, most people in the UK should be able to make the vitamin D they need from sunlight. However, Government advice is that everyone should consider taking a daily vitamin D supplement during autumn and winter due to us living in a cold and less sunny climate.

The NHS recommends supplementing 100 micrograms (4,000 international units) of vitamin D per day and states that a lack of vitamin D can lead to bone deformities such as rickets in children and bone pain in adults caused by a condition called osteomalacia. It says that vitamin D can also be found in foods like oily fish, red meat, liver, egg yolks, and fortified foods such as some fat spreads and breakfast cereals.

ARE THERE ANY SIDE EFFECTS?

“Although taking vitamin D is important for our health, there are side effects if we take too much, states Dr Prinsloo:

“Vitamin D can be absorbed both orally and transdermally through topical products. Once absorbed, it is stored in fat cells until needed.

“When the fat stores are full, blood levels start to increase.

Above a certain level, calcium levels in the blood and urine start to increase and there are side effects. These could include nausea, vomiting, constipation, weakness, confusion, and headaches, among others.”

About

This article appears in the April 2022 Issue of Professional Beauty


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This article appears in the April 2022 Issue of Professional Beauty