Synopsis

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

Hydrocolloid dressings are primarily used in wound care, but there is scientific evidence supporting their use in alleviating itching, particularly in dermatological conditions such as atopic dermatitis, eczema, and minor wounds or irritations. The mechanism by which hydrocolloid dressings reduce itching is multifactorial: they maintain a moist wound environment, protect nerve endings from external irritants, reduce friction, and create a physical barrier against scratching. Several studies and clinical observations suggest that hydrocolloid patches can decrease pruritus (itching) by preventing direct contact with triggers and by promoting an optimal environment for skin healing. For example, hydrocolloid patches used for acne treatment have been reported to reduce itching and irritation around lesions, likely due to these protective and hydrating effects (Kim et al., 2022). However, while there is moderate-quality evidence supporting a reduction in itching as a secondary benefit of hydrocolloid dressings, they are not primarily indicated solely for pruritus. Their main role remains wound healing, with anti-itch effects considered an adjunctive benefit. The available literature suggests a meaningful, though not robust, scientific basis for their use in supporting or treating itching, particularly when itching is associated with minor skin injuries or dermatological conditions.

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