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The personal skin care market based on natural products has shown strong growth. [7] Clinical and laboratory studies have identified activities in many natural ingredients that have potential beneficial activities for personal skin care, [2] [3] but there is a shortage of convincing evidence for natural product efficacy in medical problems. [8]
Propylparaben is a stable and non-volatile compound with antimicrobial properties and has been used as preservatives in food for over 50 years. [4] It is typically used in a variety of water-based cosmetics and personal-care products. [13] it is a white crystalline solid with a molecular weight of 202.18 amu. [14]
Preservative-free skin care has a new player. LightWater Skin Nutrition, a preservative-free skin care line, launched on June 1 and consists of two products: a morning moisturizer and a nighttime ...
It has been used in cosmetic products since the 1940s and in pharmaceutical products since 1924. [6] The popularity of butylparaben in these products is due to its low toxicity in humans and its effective antimicrobial properties, in particular those against mold and yeast. [ 7 ]
Paraben discharge into the environment is common due to its ubiquitous use in cosmetic products. A 2010 study on consumer available personal care products revealed that 44% of the tested products contain parabens. [17] When washing these products off the human body, they flow down the drain and into community wastewater.
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Castor oil and its derivatives are found in many cosmetics as it is "non-comedogenic" (does not exacerbate or contribute to acne). [3]Cerebrosides (cells from the nervous systems of cattle or swine) were once used in some high-end skin-care products to increase moisture retention and to create a smooth skin surface, [4] however the BSE controversy has put an end to this practice.
Germaben II [1] is a clear, viscous liquid used to inhibit microbial, yeast and mould growth in cosmetics and other personal products. It contains propylene glycol , propylparaben , methylparaben , and diazolidinyl urea .