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People with skin types I + II, in whom the skin's
own defensive mechanisms are less well developed as well as those
with dry or seborrheic skin, tend to be particularly sensitive to
the sun. In children and people with pigmentation disorders, just
a short exposure to sunlight will induce erythema.
Dry sensitive skin
Physiologically, the skin loses lipids and moisture as it ages due
to decreased activity of the sebaceous and sweat glands. Various exogenous
factors as well as exposure to the sun exacerbate these effects.
Sensitive, dry skin as a symptom of common dermatoses:
Sensitive, dry skin is a symptom of common skin diseases such as psoriasis
or the increasingly prevalent atopic eczema (neurodermatitis). Since
climatotherapy in alpine or seaside regions has been established for
such cases, the selection of sun protection products must take particular
account of skin compatibility. This is especially true for neurodermatitis
patients, who, because of their skin's inherently greater sensitivity,
can have more serious reactions to various combinations of external
factors and skincare products.
Seborrheic skin
People with seborrheic (oily-moist) skin can, after applying lipid-rich,
comedogenic products, manifest visible skin changes such as comedo
formation, reddening or inflammation.
On the other hand, solar radiation can have a positive effect on the
symptoms of acne. Acne patients remain gladly in areas of intense
sunshine, such as by the sea or in alpine regions. Here sunscreens
formulated for this skin condition are required, e.g., emulsifier-free
hydrodispersion gels. |
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Dry, scaly skin
 Psoriasis
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Especially
sensitive children's skin
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Children's skin, like many
of their organs, is still developing. The ability to induce a thickening
of the horny layer in response to light is still inadequate in children.
The barrier function of the horny layer is only weakly developed,
and the sensitivity of the skin is increased.
Sebaceous gland production remains very low until puberty, making
the protective hydrolipid film on the skin surface less well developed
than an adult's. Additionally, children are exposed, through play
activity, to up to three times more UV radiation. Today we know that
about 50% to 80% of an entire lifetime's exposure to UV radiation
occurs in the first 18 years.
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The skin never forgets:
Recent scientific advances have confirmed a clear correlation between
severe sunburn in childhood and melanoma later. |
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Sunscreens
for children should offer a UVB protection factor of at least 15,
as well as sufficient protection from UVA radiation. It is also important
that a large proportion of the photoprotection consists of micropigments
(e.g. titanium dioxide), since these do not penetrate the skin, and
thus trigger neither photoallergies nor contact allergies.
Extra-waterproof,
protective, lipid-rich lotions or creams without fragrances or colours
are especially recommended for protecting children from the sun.
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Extra waterproof: Eucerin® sun-sensitive
skin children's products were not only tested twice for 20 minutes
- certified water-proof - for water resistance, but also for 6 hours
to ensure that they can protect the skin from underwater UV radiation
9 times longer than the minimum standard requires. |
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SUMMARY:
Sun sensitive skin should be exposed unprotected to UV radiation as
little as possible. Extra-waterproof sunscreens with a high sun protection
factor and micropigments, which do not penetrate into the skin, provide
suitable protection from the sun. |
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