What about children’s skin?
Solar radiation has more pronounced biologic effects on the skin of children compared to adults. Children’s skin, particularly up to 3 years of age, has a lower concentration of protective melanin and a thinner stratum corneum which allows UV to penetrate deeper, resulting in more photodamage. 2,3
However, the minimal erythemal dose in children has been shown to be similar to that of adults.4
The epidermis of young children is thin; the basal cell layer is relatively rich in stem cells.
UV can easily reach dermal papillae and the dermal capillaries, which may promote photoimmunosuppression and induce mutagenesis4
In newborns, the ability to develop pigmentation (tanning) after UV exposure has been demonstrated to occur within the first months (30-45 days) of life.5
The increased vulnerability of the skin of children to exposure indicates that children and their parents need to be properly educated on photoprotection, whatever the skin types.
What about UV exposure?
UV exposure during childhood is a critical period for the increase in skin cancer risk later in life.
Having a sunburn during childhood almost doubles the risk for the development of cutaneous melanoma in adulthood.6
Children and teenagers spend a mean of 1.5 to 5.1 hours outdoors daily.7
Regular use of sunscreen with an SPF of at least 15 during the first 18 years of life can reduce the incidence of basal and squamous cell carcinomas by 78%.1
By 18 to 20 years of age, everyone will have received 40% to 50% of their cumulative UV exposure up to 60 years of age.8
How to protect children from UV exposure?