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While in Paris, René Dagron became familiar with the collodion wet plate and collodion-albumen dry plate processes which he would later adapt to his microfilm and Stanhope production techniques. Collodion was used by Alfred Nobel in his development of blasting gelatin , a more powerful, flexible, and water resistant variation of his already ...
The active surface of the dressing is coated with a cross-linked adhesive mass containing a dispersion of gelatin, pectin and carboxymethyl cellulose together with other polymers and adhesives forming a flexible wafer. In contact with wound exudate, the polysaccharides and other polymers absorb water and swell, forming a gel. The gel may be ...
Similar to natural oils, artificial hair oils can decrease scalp dryness by forming hydrophobic films that decrease transepidermal water loss, reducing evaporation of water from the skin. [5] Oils on the hair can reduce the absorption of water that damages hair strands through repeated hygral stress as the hair swells when wet, then shrinks as ...
Topical gels are commonly used in cosmetics, which include shampoos, dentifrices, skin and hair care formulations and fragrance products, [1] [2] and can be used to treat scalp inflammation. [ 2 ] Topical gels can be used to deliver anti-inflammatory steroids to the scalp in treatment of scalp inflammations.
Shampoos work by applying water and shampoo to the hair. The specific shampoo for oily or dry hair breaks the surface tension of the water, allowing the hair to become soaked. [6] [7] This is known as the wetting action. The wetting action is caused by the head of the shampoo molecule attracting the water to the hair shaft.
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Water not only played a part in "steaming" the hair, but there was better heat control, because while there was water, the temperature hardly passed 100 °C. However, this evaporated the water, and it was found that by wrapping the windings with aluminium foil, the hair stayed moist for longer, and also kept the windings upright, facilitating ...
Steam therapy can be particularly effective, says Dr. Mercola: create a steam bath by filling a bowl with hot water, adding a few drops of eucalyptus or menthol essential oil, and placing a towel ...