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Dermal Papilla: The “Engine” and Signaling Hub of Hair Growth

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When we talk about hair growth and hair loss, most people immediately think of the hair follicle. But at the very base of the follicle lies a small yet powerful structure—the dermal papilla (DP) . This structure not only serves as the “engine” of hair growth but also functions as the central regulator that determines the thickness, lifespan, and health of each strand of hair. 1. The Role of the Dermal Papilla in Hair Growth The dermal papilla is located at the bottom of the hair follicle bulb. It consists of fibroblasts, blood vessels, and a small number of immune cells. By releasing multiple growth factors—such as IGF-1, FGF7, and VEGF —and through direct interactions with matrix cells and follicle stem cells, the dermal papilla decides whether hair enters the growth phase, how long it grows, and whether it will be thick or thin. 🔹 Key functions include: Initiating and maintaining the anagen (growth) phase : DP signals awaken dormant follicle stem cells, allowing hair to re-en...

Polycystic Ovarian Syndrome and Hair Loss in Women

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 From "Losing a Few Hairs" to "Worrying": A Look at Female Hair Loss In daily life, noticing a few strands of hair falling out while washing your hair may not raise alarm. However, anxiety kicks in when you spot a wider gap in your hair or a noticeably thinner crown in the mirror. Hair loss is not uncommon among women, and one of the most prevalent types is Female Pattern Hair Loss (FPHL). FPHL is defined by the gradual thinning of hair on the crown, with the frontal hairline remaining relatively intact. Its common manifestations include: - Centrifugal central thinning (hair thins from the center outward) - The "Christmas tree" pattern (thinning that spreads upward from the hairline in a shape resembling a Christmas tree) Global epidemiological data on hair loss indicate that the incidence of Female Pattern Hair Loss (FPHL) among Caucasian women rises with age: approximately 3% to 12% in those aged 20–30 years, 14% to 28% in postmenopausal women, and nearl...

Case Study: Treatment of Female Patients with Acute Disseminated Alopecia Areata

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This type of alopecia areata is often triggered by stress (COVID-19 infection and subsequent physical reactions are stressors), causing hair follicles to enter abnormal states such as the telogen phase, which leads to rapid hair loss.   Female patient, 42 years old who had just recovered from COVID - 19, initially experienced a large amount of unexplained hair breakage and hair loss, along with emotional anxiety.Treatment was initiated at the Pelopilex Clinic in January 2023.  The methods we used were: intramuscular injection of glucocorticoids and mesotherapy to control the immune response, and at the same time, HRT (Hormone Replacement Therapy) was administered to help hair grow faster. Around July 2023, the hair as a whole recovered to its original state and was even darker and healthie

Case Study: Treatment Process of Androgenetic Alopecia in Males

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  This male patient is 33years old with androgenetic alopecia and has essentially returned to his pre-hair loss condition after 5 months of treatment. This male patient received Hormone Replacement Therapy (HRT) at the clinic, completing two treatment courses over a period of five months. During this process, in addition to HRT, we also recommended several other auxiliary treatment options, including: 1mg Finasteride Tablets Low-Level Laser Therapy (LLLT) Hair Growth Cap Fractional Carbon Dioxide Laser Nutritional Supplements (biotin, zinc, and multivitamins) We also provided some recommendations regarding his daily lifestyle. The patient reported no adverse reactions, and the overall treatment process was highly comfortable. Currently, the patient has entered the maintenance phase, with hair volume well-maintained and no recurrence of hair loss.

Case Study:Treatment Process for Ophiasis Alopecia Areata in an Asian Female

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This is an 33years old Asian female patient with ophiasis alopecia areata, a condition she has had for over 10 years. Hair loss initially started at the nape of her neck and gradually spread toward the top of her head. By the 5th year, only a patch of hair remained on the crown, and this has persisted until now. The patient sought our care in late 2023 and began systematic treatment for her ophiasis alopecia areata. During the entire treatment process, in addition to the standard alopecia areata treatment regimens—such as glucocorticoids and JAK inhibitors—we also incorporated HRT hair regrowth therapy. Under the combined effect of these treatment regimens, her hair growth was rapidly restored by improving her overall immune resistance mechanism while promoting hair growth. Alopecia areata is an immune system-related disease. Therefore, before initiating systemic treatment, a comprehensive assessment must be conducted under the guidance of a doctor to rule out potential risks. Comprehe...

Case Study: HRT Treatment for Hair Transplant Complications

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This patient underwent FUE (Follicular Unit Extraction) microneedle hair transplantation in 2019 to address hair loss on the top of the head and along the hairline. However, his hair (especially the native hair) began to fall out again two years after the transplant, with the native hair loss being particularly severe. When he consulted Pelopilex in 2023, we initiated treatment for his post-transplant hair loss recurrence. Let’s explain why hair loss may persist after a hair transplant. This patient’s transplant was relatively successful, with excellent hair condition in the first two years. However, his native hair started to fall out significantly from the third year onward. Both FUE and FUT are surgical techniques that involve transplanting hair follicles from the occipital region (back of the head) to areas with follicle loss, such as the hairline or top of the head. By the fourth year after his hair transplant, his hair loss had become extremely severe. The hair on the top of his ...

Exploring the Safety of Finasteride for Patients with Androgenetic Alopecia

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  Introduction Androgenetic alopecia, also known as male-pattern baldness, is a common hair loss condition affecting adult males. It is mainly caused by the shrinkage of hair follicles due to elevated levels of dihydrotestosterone (DHT). Finasteride, a 5α-reductase inhibitor, effectively treats this condition by blocking the conversion of testosterone to DHT. Clinically, a 1mg dose of finasteride is widely used for male patients with alopecia and has been approved by the FDA. However, some patients have concerns about potential side effects, particularly those related to sexual function. Based on evidence from recent authoritative academic journals, this article explores the safety of 1mg finasteride and highlights the potential benefits of its side effects (such as reducing DHT levels) for men's prostate health. By citing the latest research, we aim to provide patients with a scientific basis to facilitate rational decision-making. Safety Evidence of Finasteride A number of recent...