The Influence of the Nutritional Status of Women Between 30 and 45 Years of Age on the Condition of the Skin and Body Composition

The Influence of the Nutritional Status of Women Between 30 and 45 Years of Age on the Condition of the Skin and Body Composition

Goal is to investigate the differences in skin condition and body composition among women with different dietary habits aged 30-45 years. Study will be focused onto sub-groups of female subjects following omnivorous, vegetarian or vegan diet.

Investigators will investigate differences among female subjects aged 30-45 years following one of the following diet for at least 3 years:

• vegan
• vegetarian
• omnivorous

Study will focus into the differences in dermal protein density and dermal thickness, skin hydration and trans-epidermal water loss. Study will focus also into body composition, specifically into % of body fat and % of lean body weight.

Inclusion Criteria:

• women
• aged 30-45 years
• vegan or vegetarian or omnivorous diet for at least 3 years,
• body mass index (BMI) between 18.5 and 25.

Exclusion Criteria:

• smoking or have smoked in the past (quit less than 3 years ago),
• pregnancy or breastfeeding,
• pre-menopause
• medications that increase skin dryness (e.g. retinoids),
• visiting solariums,
• visiting of the fitness center more than 3 times a week,
• regular consumption of protein supplements (including food supplements with collagen),
• chronic and acute skin diseases,
• chronic and acute diseases of the gastrointestinal tract (e.g. celiac disease),
• lactose intolerance,
• various diets (e.g. health, slimming),
• damaged skin in the test area (inner forearm),
• hyperhidrosis or increased sweating,
• diseases that cause a chronically damaged skin barrier (e.g. atopic dermatitis, ichthyosis),
• cancer diseases,
• pacemaker.