Recent in Colorant/Pigment/Hair Dye (page 5 of 6)

Permanent vs. Transient Pigment Coating

Industry expert Tony O'Lenick explains the difference between a pigment with a permanent coating and a transient coating.

Ancient Hair Dye Ties to Nanotechnology

Scientific findings have revealed that hair dye has been around for nearly 2,000 years...

Bench & Beyond: Pigment Ideas from the Kingdoms of Animals and Microorganisms

Butterflies, bacteria, yeast and fungi are providing new ways to color cosmetics, thanks to recent developments in microscopy, microbiology, nanotechnology and biotechnology. Although cosmetic colorants are highly regulated, certain colorants from plants and minerals do not require certification and have long histories of use in cosmetics.

Metallic Pigments in Personal Care Applications

Data reported here illustrates that metallic pigments enhance the effects of existing colorants, expanding the existing color palette available to cosmetic formulators. Compatibility, applications and their safety profiles also are described.

Red Hot Pigment

A brilliant new red pigment based on silica flakes has been added to the portfolio of EMD Chemicals/Merck KGaA…

Filling the Fluorescent Palette

In the search for more exciting cosmetic colors, the cosmetic chemist can draw on colors that are more exciting by definition. They are the fluorescent colors.

Arkema Launches Ingredient to Conceal Wrinkles

Arkema launched an ingredient to reflect light and disguise the appearance of wrinkles...

Color-Travel Cosmetic Pigments: Interference To The Max

Interference pigments have been used since the early 1970’s to provide iridescent, pearl-like and other effects to color cosmetics. Recent developments have pioneered a new generation of specialeffect pigments for cosmetics.

Bismuth Oxychloride–A Multifunctional Color Additive

Bismuth oxychloride –either high-luster dispersions or powder pigments – offers highluster pearlescence for lip, nail and hair products, and excellent skin feel and skin adhesion for other color cosmetic and personal care products.

A Dermatologic View: Nickel Compounds in Cosmetics

This is the seventh article in a series discussing metals in cosmetics. The series was introduced on Jan., 1, 1998, with a discussion of the toxic potential from metals absorbed through the skin.

A Co-precipitation Process for Inventing New Lakes

A co-precipitation process adapted from a conventional laking method permits the production of new colored lakes characterized by better tinctorial strength and purity. These pigments offer an alternative to mineral pigments.

Meet D&C Black #2: A New, Old Cosmetic Color Additive

The specifications, advantages, disadvantages and handling considerations of carbon black are described, as this old cosmetic color additive – de-listed for 29 years – returns to use with a new name: D&C Black #2

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