Spotlight on... MAGNESIUM

This mighty mineral is making waves in the beauty industry. Ellen Cummings takes a closer look at how to use it in your treatments

Magnesium is having its moment in the beauty and wellness spotlight, and for good reason. Known as a multitasking mineral, it supports essential bodily functions while offering benefits for the skin, stress relief and overall vitality. From topical skincare to dietary supplements, magnesium is becoming a must-have in salon and spa treatment menus and retail offerings.

What is it?

Magnesium is an essential mineral responsible for over 300 enzymatic reactions in the body. “These essential biochemical reactions in the body include protein synthesis, muscle and nerve function, maintaining healthy DNA, blood glucose control and blood pressure regulation,” says Dr Christian Jurist, medical director of global education at spa brand Pevonia. He explains that magnesium is vital for energy production and helps transport calcium and potassium ions across cell membranes, aiding nerve impulses, muscle contraction and heart rhythm.

“Magnesium is a mega multitasking mineral that supports an array of systems from tiredness to the functioning of the nervous system,” adds Lorraine Perretta, head of nutrition at Advanced Nutrition Programme. It also contributes to bone health and helps extract energy from food.

In the context of skin health, magnesium is an anti-inflammatory powerhouse. Cigdem Kemal Yilmaz, chemical engineer and founder of Skin Masterclass, elaborates: “It suppresses inflammatory pathways, helping to manage inflammatory skin conditions like eczema, acne and rosacea. It also supports the production of ceramides, which strengthen the skin’s barrier function, protecting against environmental aggressors and transepidermal water loss.”

How does it work?

The benefits of magnesium extend to skin repair and hydration, thanks to its ability to regulate keratinocyte differentiation and calcium balance in the skin. Yilmaz notes, “This balance is crucial for maintaining healthy skin barrier integrity and overall skin vitality.” The mineral also plays a vital role in collagen synthesis, essential for skin elasticity and minimising signs of ageing.

When taken as a supplement, magnesium indirectly benefits skin health by supporting sleep and stress management. Perretta explains, “The processes that happen during a good night’s sleep are the ultimate skin health boosters. Blood flow to the skin increases, delivering essential nutrients, while cell renewal peaks.” Magnesium’s ability to activate vitamin D further enhances skin cell growth and repair, contributing to a brighter, healthier complexion.

Who is it suitable for?

Magnesium is a versatile ingredient that benefits a range of skin conditions. “Its calming and antiinflammatory properties make it ideal for sensitive and inflammatory conditions like rosacea, eczema and atopic dermatitis,” Yilmaz says. It also helps oily skin by regulating sebum production, minimising acne breakouts.

Deficiency in magnesium can manifest as muscle spasms, fatigue, brain fog and even skin issues due to impaired cell renewal. Perretta highlights, “Many people rely on ultraprocessed foods, which have poor nutrient profiles, leading to a need for mineral supplementation.”

Topically, magnesium is generally well tolerated, though Yilmaz cautions that “excessive use or high concentrations can sometimes cause irritation, tingling or burning sensations, particularly on sensitive or damaged skin”.

Dr Jurist highlights that magnesium chloride, extracted from mineral-rich seawater, is particularly effective for topical applications. “It’s highly skin-friendly and delivers added benefits, such as favourable negative ions that restore homeostasis between epidermal and dermal tissues,” he says.

He also attributes the increased use of magnesium in skincare to the growing demand for holistic and integrative approaches. “Since magnesium has properties that help the body in so many ways – and if properly formulated and delivered, can be absorbed through the skin – it has the potential to positively impact the skin and underlying tissues, such as the musculoskeletal system,” he notes.

How can it be used?

Its multifaceted benefits make it an easy addition to both treatment menus and retail ranges. In professional settings, magnesium is ideal for calming facials, post-treatment care and full-body therapies. Yilmaz suggests, “Magnesiuminfused masks or serums can be used for hydration, while body treatments and wraps benefit from its anti-inflammatory and muscle-relaxing effects.”

For retail, magnesium-enriched products like bath soaks, oils and creams are increasingly popular. Magnesium sulphate (Epsom salt) is a staple for detoxifying and relaxing baths, while magnesium chloride is effective for topical applications targeting inflammation and hydration. Supplements also offer a retail opportunity. “Magnesium citrate and bisglycinate are recommended for sleep and anxiety, while magnesium malate supports energy production,” says Perretta.

However, Dr Jurist says that formulating products with magnesium can be complex due to its low absorption rate through the skin. “Manufacturers must be creative, using higher concentrations, encapsulation or penetration enhancers to deliver results that can be felt and seen almost immediately,” he explains.