The long term moisturizing effect of ten different skin care products was tested on 22 female volunteers using a low frequency electrical bioimpedance instrument. We found large differences in the moisturizing effect between different products and also large interpersonal variations. Products which gave a large increase in skin hydration on one person could have no effect on another person. The...

Xerosis is a common skin condition, occurring most often in the winter and in low relative humidity, which results in loss of moisture, cracking, and desquamation. Many emollient creams and lotions are available for use as preventive moisturizers. However, few controlled experiments have been published comparing the efficacy of active moisturizing products versus the vehicle used to deliver the...

Hyaluronan (HA) is present in many tissues of the body and is essential to maintain moistness in the skin tissues, which contain approximately half the body's HA mass. Due to its viscosity and moisturizing effect, HA is widely distributed as a medicine, cosmetic, food, and, recently marketed in Japan as a popular dietary supplement to promote skin moisture. In a randomized, double-blind, placeb...

Glycolipid biosurfactants, such as mannosylerythritol lipids (MELs), are produced by different yeasts belonging to the genus Pseudozyma and have been attracting much attention as new cosmetic ingredients owing to their unique liquid-crystal-forming and moisturizing properties. In this study, the effects of different MEL derivatives on the skin were evaluated in detail using a three-dimensional ...

Solid lipid nanoparticles (SLN) were recently proposed as carriers for various pharmaceutical and cosmetic actives. These lipid nanoparticles can act as moisturizers and physical sunscreens on their own. Therefore, the full potential of these carriers has yet to be determined. The present study was aimed to determine and compare moisturizing and UV-protecting effects of different solid lipid na...

objective(s): in the current study, sunscreen and moisturizing properties of solid lipid nanoparticle (sln)-safranal formulations were evaluated. materials and methods:series of sln were prepared using glyceryl monostearate, tween 80 and different amounts of safranal by high shear homogenization, and ultrasound and high-pressure homogenization (hph) methods. sln formulations were characterized ...

Hypothyroidism mainly affects adults. The improper functioning of the thyroid gland results in hormone deficiency, and slowdown metabolism whole body skin changes. study aimed to present, based on a literature review, symptoms occurring hypothyroidism substances that can reduce adverse effects support care. cosmetics rich moisturizing ingredients, antioxidants, keratolytic, immunomodulating are...

The objectives of the present study were isolation, identification and characterization of xylanase producing fungi, optimization of medium composition and cultural conditions for xylanase enzyme production using cheaper sources. The fungal strains were isolated from garden soil by serial dilution technique and Aspergillus niger was identified and isolated in pure form. In conformation screenin...