Synopsis

Source of validity: Scientific
Rating (out of 5): 3

Dandruff is a common scalp condition characterized by flaking and sometimes itchiness. Moisturizing agents, such as emollients and humectants, are often included in anti-dandruff shampoos and scalp treatments. Scientific studies suggest that maintaining scalp hydration can help alleviate some symptoms of dandruff, particularly those associated with dryness and irritation. While the root cause of dandruff is often linked to the overgrowth of Malassezia yeast and abnormal scalp barrier function, dryness can exacerbate flaking and discomfort.

Moisturizers work by improving the scalp’s barrier function and reducing transepidermal water loss, thus minimizing irritation and scaling. Some clinical research indicates that products containing moisturizing ingredients like urea, glycerin, or certain oils can reduce visible flakes and soothe itching when used alongside antifungal agents or as part of a comprehensive dandruff care routine. However, moisturizers alone do not directly address the underlying microbial or seborrheic components of dandruff, so their effect is generally supportive rather than curative.

In summary, the use of moisturizers in dandruff management is scientifically supported as an adjunct therapy to relieve dryness and irritation, though they should typically be combined with active anti-dandruff treatments for optimal results. The overall evidence is moderate, and moisturizers are widely recommended in dermatological practice for symptomatic relief.

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