π‘ Quick answer
A 1.5 mm ad is not your protocol. Photograph; clinic devices and home rollers are not the same hygiene story.
Questions answered here
Best evidence is often with minoxidil as an adjunct in selected studies β still not a HairBase map. This page will not invent a PMID. Related: is-microneedling-safe-at-home QA β different URL.
Do not start oral finasteride from a roller receipt. Do not foam into bleeding channels unless a clinician said so.
Spreading redness, fever, or a shared gym roller is care. This is not medical advice.
Try the free self-check βπ Sources
Sources: AGA review (CCID) β
FAQ
Is 1.5 mm the official depth?
No official HairBase millimetre. Studies vary.
Home versus clinic?
Hygiene and depth control differ.
Same as at-home safety QA?
Related device family, different URL. This file is depth literacy.
More foam after rolling?
Ask the clinician. Do not invent a bleed protocol.
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Not medical advice. General education only; it does not replace diagnosis or treatment by a licensed professional. Figures such as 1 mg or 5% are labelled strengths you may see in your country β not a dosing instruction. Consult a board-certified dermatologist before starting, stopping or changing any treatment.
β οΈ When to see a doctor β donβt self-treat
- Sudden patchy or circular bald spots
- Redness, scaling, pus, pain or itch (possible scarring alopecia β treat urgently)
- Broken hairs or rapid loss
- Loss with body-wide signs (weight loss, fatigue, cycle changes, acne, extra hair)
- Loss right after a new medication
- Any hair loss in a child