Moisturizer: skin hydration is so important for healthy skin. in
our daily life we face many environmental difficulties like bad
weather conditions. there are some diseases that work against our healthy
skin by making it dry like psoriasis. in our skin body there is something called
natural moisturizing factor and these factors keep skin smooth and healthy
The composition of Natural Moisturizing Factor:
Free amino acids : 40%
pyrrolidone carboxylic acid: 12%
Ammnia,uric acid ,creatine: 1.5%
Citrate and Formate: 0.5%
all of these componet have the different role and all roles comes with one
result which is hyration of skin .
How then moisturizer works:
is that agent using to increase the water content in the stratum corneum
(outer layer of skin)
Moisturizer work by:
using the active ingredients of occlusive agents to keep water content and
humectant agents .These ingredients like the same natural skin moisturizing
factors mentioned above .
occlusive agents in moisturizer:
work to prevent water loss and decrease transepidermal water loss . it aslo
help in restoring the lipid barrier of skin which is important for skin
hydration. there are many occlusive agent like beeswax and lanolins.
Humectant agents in moisturizer:
work to attract water to skin. the water from the deeper dermis. the skin
becomes more resistant to drying conditions. these agents are amino acids,
lactic acids and glycerol.
Moisturizer with lipid substances:
these ones work like they have the normal skin lipids (cholesterol, fatty acids
and ceramides) which keep skin water content and prevent its loss .
Moisturizer with other ingredients:
work to improve skin softness and lubricating skin. moisturizer with water
can use water to work as skin hydrating agent for healthy skin