Used or used equipment has long and successfully been sold on the Russian cosmetic market. What reasons motivate you to buy used equipment, what to look for when buying it, and what can you encounter when using it?
The main reasons for buying used equipment
Minimization of startup costs Continue reading
Vitamin D is conditionally assigned to the group of vitamins, in fact it is a fat-soluble prohormonal steroid that is involved in endocrine, paracrine and autocrine regulation [Vanchinathan, Lim 2012].
Synthesis of Vitamin D in the Skin
According to the International Lighting Engineering Commission (MSC), effective radiation (i.e., the effectiveness of each wavelength for the synthesis of vitamin D in the skin) covers the spectral range of 255–330 nm with a maximum of about 295 nm (UVB). Exposure to UV light, which induces redness of the skin at a minimum erythema dose for 15– Continue reading
Blepharoptosis, ptosis, ptosis of the upper eyelid, omitted upper eyelid – these terms are usually used to describe a condition in which the upper eyelid is omitted or displaced, which leads to a narrowing of the palpebral fissure and overlapping part of the eye2. In this case, the omission of the upper eyelid can be both congenital and acquired and can be a sign or symptom of a more serious neurological disease or tumor in the orbit (ptosis that arose in adulthood) .
Normally, the edge of the upper eyelid in an adult is 0.5–2 mm below the upper limb of the cornea and does not cover the pupil
Blepharoptosis can occur at any age due to various factors. It should be remembered that when a patient Continue reading