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Silicones can fight frizz and protect against heat and humidity, but they can also lead to build-up that prevents hair growth. Here's what experts say about when they're worth using.
The name isotretinoin is the same root tretinoin plus the prefix iso-. Regarding pronunciation, the following variants apply equally to both tretinoin and isotretinoin. Given that retinoic is pronounced / ˌ r ɛ t ɪ ˈ n oʊ ɪ k /, [43] [44] [42] [45] it is natural that / ˌ t r ɛ t ɪ ˈ n oʊ ɪ n / is a commonly heard pronunciation.
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The basic structure of the hydrophobic retinoid molecule consists of a cyclic end group, a polyene side chain and a polar end group. The conjugated system formed by alternating C=C double bonds in the polyene side chain are responsible for the color of retinoids (typically yellow, orange, or red).
Frictional alopecia is the loss of hair that is caused by rubbing of the hair, follicles, or skin around the follicle. [1] The most typical example of this is the loss of ankle hair among people who wear socks constantly for years. [2] The hair may not grow back even years after the source of friction has ended.
Many shampoos contain sulfates, an ingredient that cleanses hair and can strip away natural oils. Find out what hair types should avoid sulfates, plus get sulfate-free shampoo recommendations.
Mequinol is a common active ingredient in topical drugs used for skin depigmentation.As a topical drug mequinol is often mixed with tretinoin, a topical retinoid.A common formulation for this drug is an ethanolic solution of 2% mequinol and 0.01% tretinoin by mass. [1]
The first time you use dry shampoo, it almost feels like magic.Greasy, day-three hair suddenly perks up with life and volume. But, if you go too long without really washing your hair (you know ...