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.
Often found in conditioners, PEG contains dangerous dioxin levels, often found as a by-product of the ethoxylation process in manufacturing. Dioxins have a direct link to cancer, and also cause organ system toxicity. Potassium Sorbate. Potassium sorbate is used as a preservative in hair-care products.