Plato talks about three levels of pleasure. First is sensual or physical pleasure, of which sex is a great example. A second level is sensuous or esthetic pleasure, such as admiring someoneâs beauty, or enjoying oneâs relationship in marriage. But the highest level is ideal pleasure, the pleasures of the mind.
Harmful side effects. 1  The chemicals used for fragrance and other additives in the product may cause various allergies. 2  The propellants used for facilitating the hairspray to reach the nozzle and come out as a fine spray may be harmful.
Hair stylists and other professionals are exposed to these chemicals in hair dye almost daily. Europe has banned many of these ingredients in hair dyes. While FDA sanctions coal tar in specialty products such as dandruff and psoriasis shampoos, the long-term safety of these products has not been demonstrated.