Sentences with phrase «uv radiation out»

Dark amber is the colour which keeps the most wavelengths of UV radiation out, while plastic tends to melt in the sunlight and leech chemicals, meaning that glass is preferable.

Not exact matches

«Sunbeds give out ultraviolet (UV) rays, which is the same type of harmful radiation found in sunlight.

It's found out that natural UV radiation from the sun may increase by about 25 % at the beach, as it is reflected by the water and yellow sand.

Thirty years ago, the Montreal Protocol was agreed to phase - out chemicals destroying the ozone layer, the UV - radiation shield in the Earth's stratosphere.

This finding supports the idea that increased levels of UV radiation passing through the thinning ozone layer could be killing more eggs than in the past, possibly wiping out susceptible species.

More of their eggs survived when UV radiation was blocked out.

Although radiation from UV light is the most preventable cause of melanoma, «there are others we're still trying to figure out,» says Delphine Lee, MD, PhD, dermatologist at Providence Saint John's Health Center in Santa Monica, CA.

Valentia also comes in dark, amber glass bottle, to keep out sunlight, and prevent UV radiation from oxidising the oil and weakening its acne - clearing abilities.

AM or PM: Reapply as needed whenever the sun is out, or you are exposed to artificial light that emits UV radiation