Familiar with the growth cycle of the eyebrows, the first step is to draw the eyebrows
Do realize that many people do not know the tattoo eyebrow growth cycle, therefore said: eyebrow growth cycle is short, usually 3 to 4 months, meaning that as long as each eyebrow hair follicle was 3 ~ 4 months, will be updated once. Each eyebrow length is about 0.4-1.0 cm, its growth and natural shedding have a periodic law. The general growth for a period of 150 days, the average resting period 105 days, life is about 6 months.
The growth of eyebrows eyebrows: good and bad, and hair follicle dermal papilla is closely related to the basal portion of each normal hair follicle or nipple parts have their own different number of blood vessels into the hair ball, each branch of the blood vessel traffic around these vessels and the lower part of the hair follicle, to constitute the nipple capillary network, and the hair follicles on both sides of subpapillary vascular network well, the hair follicle connective tissue layer of the capillary network, and the formation of abundant vascular plexus, blood through these vessels and vascular plexus, provide nutrients needed for hair growth. Hair growth in addition to relying on the circulation of the blood supply of nutrients around the hair follicles, but also by the neural and endocrine regulation and control. Endocrine influences on hair, male hormones have a positive effect on hair follicle. Including the endocrine pituitary, gonad and thyroid and adrenal gland. Therefore, mental stress, physiological causes will lead to less de eyebrow, eyebrow. The growth of eyebrows and replacement has certain rules, is not continuous, but periodically. Hair growth cycle is divided into three stages: from growth (i.e., active period) – telogen – off period. Eyebrows, eyelash The growth period is about 2 months, ending a period of up to 3 to 9 months, then fall off naturally. The rate of hair growth is influenced by sex, age, location and seasonal factors. Such as: the hair grows every day about 0.3 – 0.4 mm, 0.38 mm and 0.2 for armpit hair, eyebrows ca. 0.2 mm. Hair growth from 15 to 30 years old the most exuberant, grow slightly faster in summer than in winter.