by Dr. Kasim Usmani, Dr Kas Clinics
As parents, most of us have had that moment. You are halfway out the door, already late, one child is refusing shoes, another is asking for snacks they definitely did not want five minutes ago – and somewhere in the chaos, you are trying to apply sunscreen to a wriggling child who seems personally offended by the entire process.
As both a doctor and a parent to a toddler myself, I can confidently say that sunscreen application is rarely the calm, picture-perfect moment it’s made out to be. More often, it is a rushed patchwork effort done in the hallway while negotiating about hats and chasing tiny feet around the house.
And honestly – that is exactly why so many families unintentionally get sun protection wrong.
When we think about protecting children from the sun, many of us still associate it with beach holidays abroad or the occasional UK heat wave. But one of the biggest misconceptions I see – both in clinic and among friends with children – is the idea that sunscreen only matters when it is ‘really hot.’
In reality, UV rays are present even on cloudy days, particularly during spring and summer in the UK. You may not feel heat on your skin, but UV exposure is still happening. British weather can be wonderfully deceptive like that. I think many parents assume if the sun is hiding behind clouds, we are probably safe to skip the SPF. Most of the time, we are not.
Children’s skin is naturally thinner and more delicate than adult skin, which means it burns more easily. And whilst nobody wants to catastrophise sunshine – children absolutely should be outdoors, playing, exploring and enjoying themselves – we do know that repeated sunburn in childhood contributes to long-term skin damage later in life.
The reassuring part is that good sun protection does not have to mean perfection. It is usually the small, consistent habits that make the biggest difference.
One thing that surprises parents is how much sunscreen children actually need. Most of us simply are not applying enough. Studies consistently show that people typically apply only a quarter to half of the amount needed to achieve the SPF written on the bottle. So that SPF 50 you carefully bought may not truly be giving SPF 50 protection in real life.
And I completely understand why. When your toddler is trying to sprint naked into the garden before you have even managed one arm, the temptation to do a quick swipe across the cheeks and hope for the best is very real.
But sunscreen needs to be applied generously. I often tell parents that if it feels like you have used ‘quite a lot,’ you are probably finally close to the correct amount. We tend to rub products in too thinly, particularly on children because we are trying to get it done quickly before they lose patience entirely.
The areas parents miss are almost always the same: ears, the back of the neck, tops of feet, hands and around the hairline. Ironically, these are also the places most likely to catch the sun. And then there is the classic ‘one-and-done’ approach – applying sunscreen once in the morning and assuming that is enough for the entire day. In reality, sunscreen should ideally be reapplied every two hours, particularly after swimming, sweating or towel drying.
Parents also ask me constantly whether SPF 30 is ‘good enough,’ or whether children should always wear SPF 50.
Scientifically, both provide excellent protection when used properly. SPF 30 blocks approximately 97% of UVB rays, while SPF 50 blocks around 98%. The difference sounds surprisingly small because technically, it is. But in real-world parenting – where nobody applies sunscreen perfectly and children wipe half of it off within minutes – SPF 50 gives us a little more room for error. For younger children or those with fair or sensitive skin, I generally recommend SPF 50 for that reason.
One topic that has become increasingly common among parents is concern over sunscreen ingredients. I hear this a lot in clinic and from fellow parents: “Are there harmful chemicals in SPF?” or “Is sunscreen actually safe for children?”
I think social media has fuelled a lot of anxiety around this topic, often without proper context. The reality is that approved sunscreens sold in the UK and Europe go through extensive safety testing. Some chemical UV filters have been questioned online because tiny amounts can be absorbed into the bloodstream, but importantly, absorption does not automatically mean harm. At present, there is no robust evidence showing approved sunscreen ingredients are dangerous when used as intended.
In medicine, we always weigh risk against benefit. And the evidence we do have linking UV damage and sunburn to skin cancer and premature skin ageing is extremely strong.
That said, I completely understand why some parents prefer more gentle formulations for young children. If ingredient concerns are worrying you, mineral sunscreens – often containing zinc oxide or titanium dioxide – can be a great option. These sit on top of the skin and physically reflect UV rays rather than absorbing them. They are often well tolerated by sensitive or eczema-prone skin too.
But I would gently caution parents against becoming so frightened of sunscreen ingredients that they stop using SPF altogether. In my opinion, that is where misinformation can become genuinely unhelpful.
I also think parents can feel overwhelmed by the sheer number of sunscreen options available now. Mineral, chemical, lotions, sprays, sticks, sensitive formulas – it can feel like choosing a mortgage. My advice is always refreshingly simple: the best sunscreen is the one your child will tolerate and the one you will realistically use consistently.
If your child screams every time you bring out a thick white cream but happily accepts a lightweight spray, use the spray. If a stick sunscreen helps you quickly cover cheeks and noses during a park trip, brilliant. Parenting is hard enough without chasing some imaginary ‘perfect’ sunscreen routine.
For busy families, practical habits tend to work best. Keep sunscreen by the front door or in the changing bag so it becomes part of leaving the house rather than an afterthought. Apply it before clothes go on where possible – particularly with younger children, because once shoes are on, cooperation usually disappears. Hats, sunglasses, shaded play and lightweight clothing all help too, and often provide more reliable protection than sunscreen alone.
Most importantly, I think we need to remove some of the guilt surrounding this topic. No parent gets it right every single day. I certainly do not. There are mornings I forget the hat, afternoons I realise I missed the tops of the feet, and days where the whole thing feels unnecessarily chaotic.
But children do not need perfect parents. They need consistent habits, realistic routines and adults who are trying their best.
And perhaps the most powerful thing of all is that our children are watching us. When they see us applying SPF, wearing sunglasses or seeking shade on very sunny days, those behaviours quietly become normal to them too.
Sun safety should not feel frightening or complicated. It is simply one small part of caring for our children – woven into the wonderfully imperfect reality of family life.
For further information from Dr. Kasim Usmani, owner of private medical and aesthetics clinics, Dr Kas Clinics based in Surrey, please visit www.drkasim.co.uk
