Gold has more of a buttery yellow tone while warm golds are much richer. A lot of my clients want to go super light for the summer, so we go a little richer and a little darker and allow those highlights to hybernate during the winter. Your colorist can get you there with a gloss.
Phospholipids are the main constituents of cell membranes. They resemble the triglycerides in being ester or amide derivatives of glycerol or sphingosine with fatty acids and phosphoric acid.
3. Lipids. Things gets tricky when we try to dissolve lipids, large organic molecules that carry a highly polar group of atoms at their head and long, non-polar hydrophobic (water-fearing) tails. One of the most common lipid is oleic acid, a fatty acid abundant in olive oil, peanuts, and sunflower seeds.