70 citations
,
May 2019 in “Preprints.org” Chitin and chitosans from seafood waste are eco-friendly and useful in cosmetics for skin, hair, nail, and oral care.
November 2013 in “Annales de Dermatologie et de Vénéréologie” Cinnamon essential oil can cause severe or unusual skin reactions, with cinnamaldehyde being the main allergen.
February 2023 in “European journal of geriatrics and gerontology” Selenium helps prevent thyroid issues and cognitive decline in the elderly, but balance is key.
5 citations
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February 2019 in “Journal of oceanology and limnology (Online)” Ecklonia cava extract can reduce the damage and stress caused by hair dye.
The books were useful but had some areas needing improvement.