Nailpolish

History

Nailpolish

In china nailpolish was first originated and about 3000Bc it was used. The royal house Zhou dynasty was demanded the colors of gold and silver around 600 Bc. Nailpolish was made from gelatin, eggwax, beeswax, gum Arabic , vegetable dyes. The lower classes wore pale colors and the high society wored red colors in Egypt. The nails were tinted with scented red oils and polished at the 9^th century .The peoples were painted with tinted powders and creams into their nails at the 19^th and early 20^th century.

Formulation

Nailpolish has mixture of a film- forming polymerand it is dissolved in a volatile organic solvent and Nitrocellulose is dissolved in ethyl acetate or butyl acetate.

Dyes and pigments

It is mixed of chromium hydroxide, chromium oxide greens, stannic oxide, ferric ferrocyanide, carmine, iron oxide,     manganese violet,   ultramarine .

Opalescent pigment it is mixed of bismuth oxychloride, mica, aluminum powder and natural pearls.

Nailpolish

Types of polish

Base coat

 This type of nailpolish use before applying to the nail and this is a clear and milky- colored polish. It helps polish adhere to the nail, restore moisture and strengthen nails.It also helps  to keep nails  from stained with yellowish color and helps from unhealthy nails.

Top coat

This type use after applying nail polish to the nail and this is a clear colored polish. It can prevent scratching, chipping and peeling. And it has a hardened barrier. It helps  dry quickly the underlying colored polish.

Gel

It is  look likea regular polish and it is long lasting. Untill it is set under Led lamp or an ultraviolet. It lasts around two weeks and typically last 2-7 days before chipping. It is more difficult to remove than regular nail polish. It can be removed after soaking the nails in acetone for 5- 10 minutes. And with non- acetone nail polish remover it is not remove.

In fashion nail polish uses

At first nail polish was color in red, purple, black and clear . But now a days verities colors and techniques have developed and there are available various colors.

Nail polish remover

Nailpolish  can be removed with nail polish remover or nail pads and this is an organic solvent. It has oil, scents and color. It can be used with cotton pad or cotton ball and these are liquid remover and until the polish comes off it is twisting with finger.It is  compound of acetone and made of acrylic.Ethyle acetate is less toxic. As a nailpolish remover Acetonitrile has been used.