Hair Growth Cycle Affects Hair Follicle Destruction by Ruby Laser Pulses
نویسندگان
چکیده
منابع مشابه
Permanent hair removal by normal-mode ruby laser.
OBJECTIVE To assess the permanence of hair removal by normal-mode ruby laser treatment. METHODS Hair removal was measured for 2 years after a single treatment with normal-mode ruby laser pulses (694 nm, 270 microseconds, 6-mm beam diameter). OBSERVATIONS Six test areas on the thighs or backs of 13 volunteers were exposed to normal-mode ruby laser pulses at fluences of 30 to 60 J/cm2 deliver...
متن کاملGrowth and viability of Liaoning Cashmere goat hair follicles during the annual hair follicle cycle.
Here, we studied hair follicle development of Liaoning Cashmere goats. Every month for 1 year, skin samples were collected from five 1.5-year-old female goats, and made into paraffin sections. A number of parameters were measured of primary and secondary hair follicles via microscopic observation including follicle depth, hair bulb width, dermis and epidermis thickness, changes in follicle acti...
متن کاملThymosin beta4 increases hair growth by activation of hair follicle stem cells.
Thymosin beta4, a 43-amino acid polypeptide that is an important mediator of cell migration and differentiation, also promotes angiogenesis and wound healing. Here, we report that thymosin beta4 stimulates hair growth in normal rats and mice. A specific subset of hair follicular keratinocytes in mouse skin expresses thymosin beta4 in a highly coordinated manner during the hair growth cycle. The...
متن کاملInhibition of human hair follicle growth by endo- and exocannabinoids.
Recent studies strongly suggest that the cannabinoid system is a key player in cell growth control. Since the organ-culture of human hair follicles (HF) offers an excellent, clinically relevant model for complex tissue interaction systems, we have asked whether the cannabinoid system plays a role in hair growth control. Here, we show that human scalp HF, intriguingly, are both targets and sourc...
متن کاملHair follicle nevus.
We present a case of hair follicle nevus, a rare hamartoma composed of vellus hair follicles. Hair follicle nevus should be differentiated from accessory auricle, trichofolliculoma and hair nevus.
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ژورنال
عنوان ژورنال: Journal of Investigative Dermatology
سال: 1998
ISSN: 0022-202X
DOI: 10.1046/j.1523-1747.1998.00227.x