The researchers resolve the mystery of makeup that appear ciner or gray on the darker skin | Trick
The researchers believe they have found a solution for make -up for darker skin tones that often appear or gray once applied.
In recent years, the market for beauty products designed for people with darker skin tones it was boomWith some brands that now offer consumers a huge variety of shades.
Now the researchers claim to have found a way to create more red tones in the maker for the darker skin, finding the addition of ultramarine blue reduces the ciner or gray appearance that these products can create.
Gabriella Baki, Associate Professor of Pharmaceutical at the University of Toledo, said that while some companies already use the additive in their products, its use is not widespread.
“We hope that our research will provide new intuitions on why it should be added,” he said.
The team notes that the ash complexes that can derive from the bases for the most dark skin makeup depends on these products in general containing greater quantities of black iron oxide.
“Ultramarine Blue creates more red and yellow shades, which is different from black iron oxide,” said Baki. “By creating warmer shades, the Foundation seems more similar to the skin. Furthermore, ultramarine blue has a lower refraction index than black iron oxide.” Baki added that this creates a less opaque color, which also helps to reduce what is known as the “gray cast”.
The new work, which has not yet been published but must be presented during the spring meeting of the American Chemical Society (ACS), reveals how the team examined the impact of include ultramary blue by creating 20 bases of dust and 18 bases of sticks in the darker and clearer shades.
The researchers analyzed the color of the dust using a spectrophotometer, as well as visually evaluating them both on specialized paper and if applied to the internal forearms of the participants.
Baki added that ultramarine blue helps darker and lighter foundations allowing the creation of different shades, but can be transforming for the first because it reduces the gray cast.
“On the basis of our research, we recommend that you combine black iron oxide and ultramarine blue. However, even ultramarine blue can be used on its own as a dark pigment. It depends on which skin tone and undertone must be reached with the bases,” said Baki.
“For the color of the very dark skin, ultramarine blue may not be enough to combine the value of the tone of the skin of consumers, since it creates lighter bases than the black iron oxide with the same percentage. If it is necessary to create a dark color, combining black and blue can provide a color more similar to the skin than only the black iron oxide.”
The study provides examples on how to create more inclusive basic lines for consumers. “Ultramarine blue should be added to the bases for all shades to expand the shades for the same shade and create more basic shades similar to the skin,” said Baki.
