Commercial hair dyes have been in use for more than 110 years. Consumers now have access to an extensive range of hair dyes and lighting agents. They are free to choose the product that best addresses their given requirements.   It needs to be noted that the dyes that are now available have greatly improved […]

Abstract Back ground: Ultraviolet (UV) radiation is part of the electromagnetic (light) spectrum that reaches the earth from the sun․ It has  wavelengths shorter than visible light, making it invisible to the naked eye․ Ultraviolet A (UVA) is the longer wave UV ray that causes lasting skin damage, skin aging, and can cause skin cancer․

Abstract: Back ground: Ultraviolet (UV) radiation is part of the electromagnetic (light) spectrum that reaches the earth from the sun․ It has wavelengths shorter than visible light, making it invisible to the naked eye․ Ultraviolet A (UVA) is the longer wave UV ray that causes lasting skin damage, skin aging, and can cause skin cancer․

Abstract: Back ground: Ultraviolet (UV) radiation is a known carcinogen․ The two types of UV radiation that affect the skin are known as ultraviolet A (UVA) and ultraviolet B (UVB)․ Both have been linked to skin cancer and an overall weakening of the immune system․   UVB rays mostly affect the surface of the skin