Testosterone's hair loss and acne effects, fact-checked

What did @cr1mecl0udn1ne actually say?

Pretty straightforward, actually. The creator recorded their voice at specific intervals, starting at two days on testosterone and ending at roughly six months. They also mentioned in their caption that they experienced balding and back acne, and noted being read as male in public. No medical claims, no dosage advice, no miracle promises. Just a timestamped personal log.

That self-aware, low-drama format is worth noting because most testosterone voice content on TikTok is either catastrophizing or overselling. This was neither. The creator even admitted they "completely forgot" to record at certain points, which is honestly more realistic than the polished "my transformation" videos that dominate the hashtag.

The six-month mark was recorded slightly early by their own admission, so the exact timeline has a small asterisk on it. But the overall arc, from two days to approximately six months, is documented and internally consistent.

Does the science back this up?

Yes, and the timeline they captured aligns closely with what the research actually shows. Testosterone-induced voice changes are among the most studied and consistently documented effects of masculinizing hormone therapy. The voice deepens because testosterone causes the larynx to grow and the vocal folds to lengthen and thicken, the same process that happens in cisgender male puberty.

Irwig (2017, Translational Andrology and Urology) found that voice changes typically begin within the first few weeks of testosterone therapy and continue for one to two years. Van Borsel et al. (2000, Journal of Voice) documented measurable drops in fundamental frequency within the first three months. A 2021 study by Azul et al. in the International Journal of Transgender Health confirmed that perceived masculinization of voice can occur rapidly, sometimes within weeks, even before dramatic pitch shifts are measurable on a spectrogram.

The bacne and hairline changes the creator referenced in their caption are also well-documented androgenic effects. Testosterone increases sebaceous gland activity, which explains acne, and accelerates androgenetic alopecia in those genetically predisposed. Neither of those is surprising to anyone who's read the informed consent literature.

What did they get wrong (or right)?

Honestly? Not much is wrong here. The creator did not overclaim. They did not say testosterone will do this for everyone, they did not promise a specific result, and they did not recommend a dose or protocol. That restraint actually puts this video above average for the genre.

What they got right: the documented progression is consistent with published timelines. Voice change within days to weeks is plausible based on early laryngeal tissue response, though dramatic shifts usually take longer. The six-month window capturing noticeable change is exactly what the literature predicts.

The one thing worth flagging, gently, is that individual variation in voice change on testosterone is significant. Some people see rapid, dramatic drops. Others plateau early or experience incomplete masculinization. Johnson and Talabi (2019, Transgenders Health) noted that vocal outcomes are influenced by age at initiation, baseline vocal anatomy, and dosing consistency. A single person's six-month log, while valid as personal experience, should not be read as a universal roadmap.

What should you actually know?

If you're considering testosterone and voice change is part of your reasoning, here's what the evidence actually supports: changes are real, often begin earlier than people expect, and continue beyond six months in most cases. But the endpoint is not guaranteed or predictable from someone else's video.

The side effects the creator mentioned, acne and hair loss, are not edge cases. They are common, documented, and should be part of any informed consent conversation with a prescribing clinician. Acne from testosterone can range from mild to severe and may require dermatological treatment. Hairline changes depend heavily on genetic predisposition and cannot be reliably predicted in advance.

Voice change, unlike some other testosterone effects, is generally considered irreversible once it occurs. That is worth knowing before starting therapy, not as a reason to avoid it, but as a reason to make an informed decision. Anyone starting testosterone through a telehealth platform should be having that conversation with a licensed provider, not basing expectations solely on TikTok timelines, including this one.

• Testosterone voice changes are driven by laryngeal growth, the same mechanism as cisgender male puberty.
• Changes can begin within weeks but typically continue for 12 to 24 months.
• Acne and hair loss are androgenic effects, not rare complications.
• Individual variation in vocal outcomes is real and significant.
• Voice changes from testosterone are generally permanent.