How safe is your suncream?

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Felicity Mann
Skin Health Advisor
@AVogelUK
Ask Felicity


08 May 2018

Why do some people think suncream is harmful?

Every year, when the weather finally does start heating up, the same controversy starts to appear in the headlines, with rumours swirling about the potentially dangerous side-effects of some of the ingredients in most of our suncreams. While many passionately seem to believe in these arguments, many others stand firm that there is no real evidence to back up these claims, meaning that opinions seem to be split squarely down the middle. 

So which specific ingredients are causing this stir? To answer that question, I’m going to need to talk a little bit about how suncream’s work to protect your skin.

  • Chemical suncreams: Suncream’s with chemical filters are especially widespread on the market and are probably the type you’re most familiar with when you go on holiday. These types of cream contain organic compounds that trigger a chemical reaction whereby they absorb UV rays, transforming them into heat which can then be released through your skin 
  • Mineral suncreams: Mineral suncreams are generally considered to be a safer option for sensitive skin compared to chemical suncreams. They work by acting as a physical block – they rest on the outer layer of skin and deflect UV and UVB rays and sometimes offer a degree of anti-inflammatory action.

Each type of suncream has its pros and cons but what’s so controversial are the ingredients that they utilise. Starting with chemical suncreams, it’s impossible to read anything about them without first encountering oxybenzone

What exactly is oxybenzone you ask? It’s a chemical filter that’s capable of absorbing the sun’s rays and, while no official report has dubbed the ingredient ‘unsafe’ there is some evidence that it may upset your hormones and irritate your skin which has caused the EWG (Environmental Working Group) in particular to decry the chemical as endocrine disruptor.1 

However, most of the evidence in favour of this view was taken from a study conducted in 2001 which involved exposing rats to a high dose of oxybenzone.2 While the rats did experience some hormonal changes it’s important to be aware that the dose of oxybenzone was very high – higher than what humans are exposed to. Not to mention the results found in animal studies are not always a reflection of how humans will interact with a substance. 

Recently though, critics began voicing another complaint which is a verified fact – chemical suncreams are not ideal for the environment, particularly our oceans. As suncreams are often applied at the beach, right before you go for a swim,  it’s inevitable that they end up in the oceans and coral reefs. Studies have found that oxybenzone can cause coral bleaching, damaging coral reefs and the marine life that inhabits them.3 

Are mineral suncreams any better?

Mineral suncreams are thought to be healthier and safer than their chemical counterparts, causing less agitation for those with sensitive skin and on the whole, working much more swiftly. Most mineral suncreams are prepared using ingredients approved by the EWG, such as titanium peroxide and zinc oxide, which are not as abrasive as oxybenzone and can help to ease inflammation. 

Nevertheless, even these ingredients can upset aquatic life and the marine environment which is unfortunate as mineral suncreams generally need to be re-applied more than chemical suncreams. 

Are suncreams lowering your intake of vitamin D?

Stepping away from potential endocrine disruptors and environmental concerns, one real issue that has surfaced is whether or not suncream can affect how you synthesise vitamin D.

Initially, research appeared to favour the idea that sunscreen would not affect your ability to synthesise vitamin D, with studies in Australia finding that participants who had been given sunscreen displayed higher vitamin D levels than those on the placebo cream.4

Even though high SPF suncreams such as SPF50 may be able to block out almost 98% of UVB radiation, that 2% hitting your skin is still enough to top up your vitamin D levels.5  Rather, it was thought that other methods of sun protection were to blame.

However, new research is now saying differently. Published in the Journal of the American Osteopathic Association, sunscreens with an SPF of 15 or higher were capable of reducing your production of vitamin D3 by up to 99%!6 Hardly ideal if you live somewhere like the UK, where rare sunny days offer a great opportunity to soak up some vitamin D and avoid a deficiency.

What is the solution?

You could be forgiven for feeling as though you can’t do right without doing wrong when it comes to suncream. On one hand, suncream protects your skin from UV radiation, free-radical damage and even skin cancer but on the other, it can cause irritation, limit your intake of vitamin D and potentially damage the environment. 

So what is the solution?

Well, obviously the last thing I would advise is that you face the sun without any form of protection, especially if you suffer from a skin condition such as eczema or rosacea. Your safety must always come first which means that you will have to turn to suncream at some point during the summer months. 

Since chemical suncreams are known to be harsher on sensitive skin (as well as the other possible health problems), I would opt for a more natural product that contains fewer abrasive ingredients and instead opts for nourishing plant-based extracts. It’s difficult to go 100% natural with your sun care but Green People certainly go as far as you can!

This natural company offer a range of skincare and cosmetic products, from moisturisers to shampoos and conditioners, as well as suncreams for adults and children! Their Facial Sun Cream SPF30 is ideal if you’re prone to prickly heat or suffer from sensitivity – it’s completely scent-free and contains plenty of soothing ingredients, such as Chamomile and Aloe Vera, to help promote your production of collagen. 

They also offer a Hydrating After Sun Lotion that you can apply once you come out of the sun to help rehydrate your skin and cool any patches of heat, reducing peeling. This formula is paraben-free so it’s amazing for sensitive skin or those prone to eczema and can even be used as a year-round body lotion, enriched with extracts of Calendula, Aloe Vera and Myrrh. 

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