Product Development and Drug Testing. To predict toxicity, corrosivity, and other safety variables as well as the effectiveness of new products, traditional testing of chemicals, consumer products, medical devices, and new drugs has involved the use of animals.r. Gerhard Zbinden, one of the world's leading toxicologists, once described a standard in vivo test as little more than âa ritual mass execution of animals.â The testing of just one substance alone, be it a potential drug or toxic chemical, can involve using up to 800 animals and cost over $6 million. [1].
Paleness should be distinguished from other causes of prominent white skin 1  : Fair skin is genetically determined skin hue with low concentration of skin pigment (melanin) in the skin.
Causes of Thin Skin. Genetics undoubtedly contribute to the problem of thin skin, but theyâre not the most important factor. Ultraviolet light has the biggest impact on the thinness our skin. The sun (and tanning beds) cause a reaction where the dermis loses its elasticity. Then the effects compound.