Have you ever wondered why there are so many skin colors in the world? Do you know why people living in particular areas usually have a certain color? Biology and history are the two reasons for this.Skin contains something called melanin(黑色素), which determines a person's skin color. ...
7.Have you ever wondered why there are so many skin colours in the world?Do you know why people living in particular areas usually have a certain colour?Biology and history are the two reasons for this. Skin contains something called melanin,which determines a person's skin colour.The more...
The melanocytes are the cells that are responsible for the synthesis of melanin. The melanocytes are derived from the neural crest and found in the bottom or basal layer of the epidermis and hair follicles. Melanocytes are also found in the irises of the eyes. The melanin production by ...
Melanocytes in the epidermis help protect the skin by producing the pigment melanin. Melanin, which is brown or black and primarily responsible for...Become a member and unlock all Study Answers Start today. Try it now Create an account Ask a question Our experts can answer your tough ...
Most people have pink gums; however, just as no two fingerprints are the same, some variation in gum coloration is also normal. Sometimes the gums may appear dark or black due to a higher concentration of melanin or imbalances in pigmentation. This condition occurs most commonly in darker-sk...
As a result, their skin m a d e less melanin, so they coul d g et enough sunlight to produc e vitamin D. their skin g radually got lighter an d they lost hair. Now, peopl e I iving in areas with strong sunlight lik e Africa, have darker skin, whil e peopl e living in ...
It’s important to note that, because few studies have been conducted, more research is needed on this topic. Improving hyperpigmentation: DHA may inhibit melanin production, reducing the risk of hyperpigmentation caused by the sun.¹⁰ Reducing dry skin and itching: Omega-3 fatty acids may...
aSome Negroes, for example, have a lot of melanin pigment. Their eyes, hair, and skin are black or dark brown. Some people, called albinos (白化病患者), have almost no melanin pigment. Their hair and skin are white, and their eyes are pink.[translate] ...
a我有暴力倾向,你害怕吗 I have the violence tendency, you are afraid[translate] ayesterday my granny go the life in the country in the past for me,at that time,people were very poor,soparents couldn't afford their children's education 昨天我的老婆婆在国家去生活从前为我,那时,人们非常穷,...
From Hailey Bieber to Brad Pitt and Idris Elba, in the world of celebrity skincare launches, it seems everyone's trying to ride the wrinkle-busting bandwagon. According to Business Insider, as many as 25 celebrities and influencers have launched beauty or skincare products over the course of...