Skin hydration: understanding how age and phototypes affect

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The main differences between the different sorts of skin, by age or phototype, lie in the epidermal barrier, whose function is to maintain permeability to external agents and the penetration of water.

In different skin phototypes, the number of melanocytes never changes. nanobiztech

(The melanocyte is a cell in the epidermis that is responsible for the production of melanin), the size and number of melanosomes (responsible for storing melanin) change. globalmarketingbusiness Therefore, skin phototypes 5 and 6 (darker skin) produce more melanin and therefore provide more protection to the skin.

In darker skin, the number of sweat and sebaceous glands is the same, but they are more hypertrophied (they have larger cells instead of new ones). allinonetechs In addition, the stratum corneum of dark skin is thicker, since the cells have a stronger intercellular connection, it also contains more intercellular lipids, which increases the resistance of the skin.

Water plays a very important role in creating the skin's barrier during the aging stage (since it is during this time that the skin dries the most and is more likely to break down). leadmarketingbusiness Furthermore, during aging, the skin barrier changes, the ability to recover from damage decreases, the response to acute photodamage decreases, sebum secretion also decreases, and the natural moisturizing factor loses its effectiveness.

To keep the skin barrier intact, there are moisturizers that restore plasticity and prevent cracking. Emollients are classically divided into three types:

Emollients: fill microcracks.

Lubricants: increase slip levels.

Oiling: keep the skin humid.

The use of oily products to hydrate the casing is as old as manhood, it is almost an natural necessity. That is why it is important to maintain this custom to evade drastic changes and prolong the bounciness of the skin for longer, non counting the aging or phototype of all women.

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