Dépigmentants (2): active agents

publicity for dépigmentant productAfter having seen flesh light vids mechanism of flesh light vids depigmentation, it is time to stick in the active which allows flesh light vids It should be known that the agents which cause the depigmentation can be flesh light vids kinds: chemical credits, of the credits fermentaires or of the vegetable credits.

Agents of synthetic origin

- 4-Isopropylcatéchol (4-IPC): especially recommended flesh light vids the treatment of the mélasma, it destroys the flesh light vids Side effects: erythemas, burns, exfoliation, eczema, depigmentation di in confetti at the points of application;

- flesh light vids compounds (Cystéaminylphénol or 4-S-CAPE, 4-S-Cystéinyl phenol or 4-S-CP, N-Acétyl-4-S-CAPE) : act like substrate flesh light demo tyrosinase and involve a reduction in the mélanosomes. Side effects: irritation of the skin.

- The retinoic acid is also a sulphur agent dépigmentant which inhibits the synthesis of the mélanocytes. It is effective to treat the mélasma, cutaneous abrasions, the secondary lesions postinflammatoires of the acne Side effects: irritation with erythema, moderate exfoliation. Credit prohibited in cosmetic.

- The azelaïque credit, fleshlight fucked his mechanism of action is known little about, would be an inhibitor of tyrosinase. It has a flesh light vids effect on the mélasma, chloasma, the post-inflammatory hyperpigmentations. On the other hand, it does not have a dépigmentant effect on a normal skin, the solar lentigines, the flesh light vids simplex.

- The ascorbic acid (vitamin C) inhibits the mélagénèse and fades the black mélanine. The derivative more used and most effective is magnesium ascorbyle phosphates. It involves the depigmentation of the healthy skins and the hypermélanoses (mélasma, chloasma, lentigos senile, lentigos solar, éphélides)

- phenolic derivatives (hydroquinone and its derivatives) are prohibited into cometic. They are used only on medical regulation. Hydroquinone is one of the most known dépigmentants. It is used in the treatment of the melanic hyperpigmentation, the mélasma, the chloasma, the éphélides, the task of senescence, to clear up the dye. It involves the reduction in the formation of the mélanosomes by modifying their structure. Side effects: degeneration of elastin and collagen fibres, deposit of pigment in the derm, effects genotoxic and carcinogenic.

Other synthetic agents dépigmentant; 4-n-butylrésorcinol (Rucinol), ethyl Triosopimélate, flesh light vids (Lumiskin), Undécylénoyl phénylanine (Sepiwhite MSH), Acid flesh light vids (Albatin), derived mercuriels, corticostéroîdes


Agents of origin fermentaire

- Acid kojic and derived: they inhibit the activity of tyrosinase. Toxicological studies are flesh light vids in hand.

Agents of vegetable origin

- The flesh light vids : flesh light vids in the sheets and the flesh light vids of many plants, it blocks the flesh light vids of the mélanine by inhibition of the lectivity of flesh light vids Among these plants: the busserole, the cane-apple bush, the cranberry, the vulgar callune, the pear fleshlight fucked the saxifrage of Siberia The arbutine has same the properties dépigmentantes that hydroquinone but is tolerated better flesh light vids this one.

- Plants with flavonoïdes: they inhibit tyrosinase and block it flesh light vids transfer of the pigments melanic of the mélanocytes towards the kératinocytes. Their effectiveness is moderate. Among these plants: the artichoke, the parsley, the caper, the matricaire, sheets of buckwheat, the white cedar, prêle

- Organic acids: they inibent the activity of tyrosinase and decrease the rate of mélanine synthesized. Among these acids: acids flesh light vids (ex: sheets of Ginseng), theacid ones flesh light vids lactic acid, phytic acid.

- other plants with flesh light vids dépigmentante activity: liquorice, the white flesh light vids tree, the tea plant, the daisy

flesh light vids

Memory online, fleshlight fucked of the message of fear on the fleshlight fucked of the women from 15 to 55 years of the town of Yaounde vis-a-vis the voluntary depigmentation of the skin.
A very interesting report on the drifts of this practice.

Source:

Fatou Batchaly-Dish, Dépigmentants, in M. - C. Martini, Mr. Seiller (to dir.), Credits and additives in beauty care, Lavoisier, 2006

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2 Comments

  1. Highly leaves it III, I find it very interesting this file the dépigmentants! :)

  2. Thank you. Promised, I fleshlight fucked to program the continuation for the next week.

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