The Science of Sebum and Absorption Sebum is the natural oil produced by sebaceous glands in the scalp. Applying oil to dry hair allows the product to be absorbed rather than sit on top of dirt or dust.
Hair Oil Growth Thickness Improvement: How Oil Boosts Volume and Density
When selecting an oil, look for cold-pressed, non-comedogenic ingredients if you have a tendency toward scalp acne. Its role is to lubricate the skin and hair, keeping them flexible and waterproof.
When hair is washed, this natural oil is often stripped away. This is particularly important for individuals who color or chemically treat their hair, as these processes damage the cuticle.
How Hair Oil Improves Thickness and Growth
Massaging oil into the scalp increases blood circulation, delivering more oxygen and nutrients to the hair follicles. Conversely, individuals with fine or oily hair often benefit from lighter oils like argan or grapeseed, which provide moisture without weighing the strands down or clogging the follicles.
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