Health Impacts of Skin Lightening Practices
Summary
Skin lightening encompasses the use of topical, oral or injectable agents to reduce cutaneous melanin, driven by cultural ideals, socioeconomic pressures and internalised colourism. Globally prevalent in regions with darker skin tones, these practices often employ potent agents—such as hydroquinone, corticosteroids and mercury compounds—sold through formal and informal markets. Adverse dermatological outcomes range from irritant contact dermatitis and exogenous ochronosis to acneiform eruptions and stretch marks. Systemic toxicity may manifest as nephrotoxicity, neurotoxicity, hormonal disruption and immunosuppression. Beyond physical harm, psychological burdens include anxiety, depressive symptoms and reduced self-esteem, reinforcing a cycle of dependence on lightening products. Public health responses combine regulatory bans, market surveillance, risk communication and clinical screening, while research into safer, receptor-targeted alternatives seeks to mitigate harm without reinforcing biased beauty standards.
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Health Impacts of Skin Lightening Practices publication trend
The graph below shows the total number of articles in health impacts of skin lightening practices across all publications each year (not limited to Nature Index journals).
Technical terms
Hydroquinone: A depigmenting agent that inhibits tyrosinase, reducing melanin production but risking exogenous ochronosis and cytotoxicity.
Mercury derivatives: Highly toxic compounds used illicitly for bleaching that can bioaccumulate and cause renal, neurological and immunological damage.
Exogenous ochronosis: A paradoxical skin darkening characterised by bluish-black pigmentation following chronic use of certain phenolic bleaching agents.
References
- Spreading of Dangerous Skin-Lightening Products as a Result of Colourism: A Review. Applied Sciences (2022).
- Fifty shades of African lightness: a bio-psychosocial review of the global phenomenon of skin lightening practices. Journal of Public Health in Africa (2016).
- A Fairer Face, a Fairer Tomorrow? A Review of Skin Lighteners. Cosmetics (2016).
- Prevalence, determinants and perception of use of skin lightening products among female medical undergraduates in Nigeria. Skin Health and Disease (2021).
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