07/27/2026
Have you been using hair oil as your moisturizer?
You've been doing it wrong π¨
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Oil and water don't mix.
Oil can't add moisture that isn't already there.
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A published hair science study (Keis et al., Journal of Cosmetic Science) tested this directly:
oil-treated hair still absorbed moisture,
but the oil film mainly slowed down how much escaped.
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In other words, oil doesn't hydrate your hair.
It seals in the water that's already there.
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π§ Water is your real moisturizer. Oil just locks it in.
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