it should be nonirritating and nontoxic
it should be stable both physically and chemically.
it should not dry on storage.
it should be free from gritty particles.
it should maintain lip colour for longer period after its application.
it should give shiny and smooth appearance free from sweating.
The ideal pH level for lipstick to ensure compatibility with the skin is around 5.5, which is similar to the natural pH level of human skin. This helps to prevent irritation and maintain the skin's balance.
The lipstick tree, also known as Bixa orellana, is typically found in the understory layer of the rainforest. This layer receives filtered sunlight due to the dense canopy above, creating an ideal environment for plants like the lipstick tree to thrive.
patience
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The word Ideal refer to the device or system which has ideal characteristics i.e perfect in every way.
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ideal type
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Japanese samurai.
Japanese samurais
Japanese samurai