
Afa Mammadova
Cosmetologist (MD)
27+ years' experience
1997 · Azerbaijan Medical University · +1 cert.
Languages: Russian, Azerbaijani

An Italian scalp product by Promoitalia: a synthetic exosomal structure plus high-molecular-weight PDRN, eight biomimetic peptides, plant stem cells and vitamins.
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ExoSignal™ Hair belongs to the ExoSignal line by the Italian company Promoitalia and is formulated for the scalp. The ampoule holds 5 ml; a single session uses 1.5–2 ml. The formula is built on a synthetic exosomal structure that acts as a carrier for the actives, and on high-molecular-weight PDRN, which reduces inflammation and supports the cells of the dermal papilla. Added to that are eight biomimetic peptides selected specifically for the scalp, plant stem cells and vitamins for cellular metabolism, plus panthenol, glutathione, biotin and high-molecular-weight hyaluronic acid. It is applied transdermally with microneedling along the standard scalp directions.
The scalp is cleansed and disinfected. 1.5–2 ml of product is spread evenly across the thinning zones and delivered transdermally with microneedling along the standard scalp directions, so the actives pass the stratum corneum. The session takes 30–40 minutes. It finishes with a soothing product; do not wash your hair for 24 hours.
ExoSignal Hair belongs to the same family as the same manufacturer's V-Tech System, and that is worth knowing: this is a synthetic exosomal structure — a biomimetic carrier — not exosomes derived from human cells as in ExoCoBio or BENEV. The main active block here is high-molecular-weight PDRN plus a complex of eight biomimetic peptides aimed at stimulating the scalp. That composition works in two directions at once: it lowers the inflammatory load that often sustains hair loss, and it signals the follicle to move into an active growth phase. Glutathione and vitamins cover the antioxidant side, while biotin and panthenol support the quality of the hair and the scalp.
The item is marked "$$$" in the price list — the cost depends on how much product a session uses (1.5–2 ml depending on the thinning area) and on the protocol. We give the exact figure at consultation or on WhatsApp.
The manufacturer declares a synthetic exosomal structure — a biomimetic carrier for the actives. If you specifically want cell-derived exosomes, that is ExoCoBio ASCE, BENEV or Zishel Xomage H, which are separate items in the price list.
Mesotherapy cocktails work mostly nutritionally and through peptides. ExoSignal adds high-molecular-weight PDRN — an active with an anti-inflammatory and regenerative profile, the same class used in polynucleotide protocols.
At least 4 at 10-day intervals, then maintenance every 2 months. With pronounced hair loss the course may be longer — trichoscopy decides.
A short-term increase in shedding at the start of a course does happen: some telogen hairs let go and free up the follicle. If shedding intensifies and lasts more than 3–4 weeks, you need to be seen — that is a reason to revisit the plan, not to wait it out.
Book a trichology consultation — the doctor will run a trichoscopy and choose the protocol: ExoSignal Hair, cell-derived exosomes or a different solution.
Book a consultation →The manufacturer's protocol is at least 4 sessions at 10-day intervals, then maintenance every 2 months, with the schedule adapted to the degree of hair loss. Each session uses 1.5–2 ml of product, depending on the size of the thinning area. The first marker is less shedding after 4–6 weeks; objective progress in density is assessed on trichoscopy after 3–4 months, once new hair has grown out.
Compared with Zishel Xomage H, the difference lies in the nature of the main active: Zishel uses exosomes from adipose-derived mesenchymal stem cells plus plant vesicles, while ExoSignal uses a synthetic exosomal structure plus PDRN and peptides. Compared with hair mesotherapy (Dermaheal HL, Dives Rich Hair), ExoSignal has a more complex composition and works not only nutritionally but through PDRN. Compared with PRP, the product is standardised, whereas plasma quality depends on the patient. The honest framing: in androgenetic alopecia this is part of a plan alongside baseline therapy, not a replacement for it; and in scarring alopecia follicle recovery should not be expected.
At Paramed, ExoSignal Hair is prescribed after trichoscopy and, where needed, blood work — ferritin, vitamin D, thyroid hormones. The cause of the hair loss determines the protocol: sometimes exosomal products make sense straight away, sometimes deficiencies need closing and baseline therapy adding first. Your doctor will explain honestly that ExoSignal is a biomimetic system with PDRN rather than cell-derived exosomes, and will offer an alternative if one suits your case better.
Certified specialists at Paramed

Cosmetologist (MD)
27+ years' experience
1997 · Azerbaijan Medical University · +1 cert.
Languages: Russian, Azerbaijani

Cosmetologist (MD)
15+ years' experience
2008 · Azerbaijan Medical University · +1 cert.
Languages: Russian, Azerbaijani

Cosmetologist (MD)
2009 · Tashkent Medical Academy · +2 cert.
Languages: Russian, Azerbaijani