ByeAcne/Demographic

Acne From Testosterone Replacement Therapy

TRT-induced acne is expected — testosterone is the primary driver of sebaceous gland activity. Manageable with topical treatment and dose optimization.

Reviewed by a licensed physician · Updated May 2026

Testosterone replacement therapy (TRT) causes or worsens acne in a substantial portion of patients — this is expected and well-documented because testosterone is the primary driver of sebaceous gland activity. The good news: it's predictable, often preventable with proactive treatment, and almost always manageable without discontinuing TRT.

The biology: testosterone stimulates sebaceous gland size, activity, and sebum output. Sebaceous glands have androgen receptors that respond to circulating testosterone and dihydrotestosterone (the more potent metabolite). TRT raises testosterone levels into the mid-to-upper normal range or occasionally supranormal, depending on dosing and individual response. The sebaceous response follows: more oil production, increased follicular hyperkeratinization, and acne formation in susceptible patients.

Who gets TRT acne: highest risk in patients with a history of severe teen or young-adult acne (sebaceous glands "primed" to respond aggressively to androgens), patients on higher TRT doses, those on weekly injections vs gels (peak-trough variation can be more sebogenic), and patients with insulin resistance or other metabolic factors that amplify androgenic effects.

Prevention is more effective than reaction. Starting a topical acne regimen at or before TRT initiation prevents most of the breakouts that would otherwise occur. The basic preventive regimen: nightly tretinoin (or adapalene if you're sensitive), morning benzoyl peroxide 2.5% wash, daily mineral SPF. For patients with high acne risk (prior severe acne), starting 4-8 weeks before TRT initiation gives the topicals time to reach full effect before the hormonal stimulus arrives.

For patients already experiencing TRT acne:

Topical foundation: tretinoin nightly + benzoyl peroxide morning. Apply religiously. Many patients see substantial improvement just from optimal topical use.

Oral antibiotic if inflammatory component is significant: doxycycline 100mg/day for 3-4 months as a bridge. Reduces inflammation while topicals build effect.

Winlevi (clascoterone 1%) cream BID. The first topical androgen-receptor blocker — it locally inhibits androgen effects at sebaceous glands without affecting systemic testosterone or interfering with TRT benefits. Excellent option for TRT acne since systemic anti-androgen treatments (spironolactone) would counteract the entire point of TRT.

Dose review: if topical and oral measures aren't sufficient, discuss whether TRT dose can be reduced while maintaining benefits. Many patients tolerate testosterone in the mid-normal range without significant acne, while supranormal dosing reliably worsens it.

Isotretinoin: reserved for severe or treatment-resistant TRT acne. Provides definitive treatment but requires coordination between TRT prescriber and isotretinoin prescriber due to combined effects on lipids and other parameters.