'Pearlescent' is a type of item rarity, the highest rarity and the most powerful. Pearlescent items have cyan text., and can only be dropped during gameplay in the 3rd DLC pack's (The Secret Armory of General Knoxx) areas.

Lipstick traditionally uses "pearlescense" harvested from fish scales to create shimmery lipsticks and lipglosses. Although there are synthetic alternatives, it's not widely known to what extent they are used.

Yes, lip gloss does contain fish scales.

But there are some that do not include fish scales but they are very rare.

you can buy Aveda. All natural plant and flower from aveda.com

You are thinking of ambergris. It is not legal to trade in ambergris in the US. It was used as a fixative in many perfumes. It starts out as a greyish material that smells of marine faeces, but sweetens when it dries to resemble the odor of alcohol. It is not harvested directly from whales so whales do not have to die in order for it to be collected and used. It is still legal in France and Switzerland. So it is possible that depending on the origin of the lipstick, it may contain ambergris, or as you colorfully call it, whale puke. But I think that it is used most often in high-end fragrances rather than in other kinds of cosmetics.

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