A skincare routine for teenage skin.

Teenage skin is underserved by most skincare marketing. The products aimed at it tend to emphasise the problem, amplify the anxiety, and recommend regimens that make the skin worse before they make it better — if they make it better at all.

A considered routine for teenage skin is simpler, gentler, and more effective than what most teens are sold.

Why teenage skin behaves differently

The primary driver of most teenage skin concerns is hormonal. During puberty, rising androgen levels — particularly dihydrotestosterone (DHT) — directly stimulate the sebaceous glands to enlarge and increase sebum production. This is why oily skin and acne are so common in adolescence and far less common before puberty.

Excess sebum on the skin surface oxidises, mixing with dead skin cells to form comedones — the blocked pores that are the starting point of almost all acne. Secondary to this, Cutibacterium acnes — a bacterium that lives normally on skin — proliferates in the anaerobic environment of a blocked follicle, triggering the inflammatory response that produces papules, pustules, and in more severe cases, cysts.

Understanding this sequence matters because it points to the right interventions and makes clear why harsh, stripping approaches are counterproductive.

The stripping cycle — and why it makes oily skin worse

The most common instinct when facing oily teenage skin is to strip the oil away — with strong foaming cleansers, alcohol-based toners, and aggressive exfoliants. The industry has long sold products built on this premise.

The effect is predictable: when the skin surface is stripped of its natural lipids, the sebaceous glands compensate by increasing sebum production. The skin becomes oilier in response to the drying treatment, the cycle intensifies, and the routine required to manage it escalates. A gentle, non-stripping cleanser — one that removes debris without disrupting the skin's barrier — is more effective than an aggressive one.

A complete routine for teenage skin

Morning. Gentle cleanser → niacinamide serum (2–5%) → lightweight non-comedogenic moisturiser → SPF 50.

Evening. Gentle cleanser (double cleanse first if wearing SPF or makeup: cleansing oil, then water-based cleanser) → niacinamide serum → salicylic acid 1–2% on breakout-prone areas 2–3 times per week, not daily during introduction → lightweight moisturiser.

Why these specific choices:

Niacinamide at 2–5% regulates sebum production via 5-alpha-reductase inhibition, reduces the appearance of enlarged pores over 4–8 weeks, and has anti-inflammatory properties. It is well tolerated by most skin types, including sensitive teenage skin that is reacting to multiple changes simultaneously.

Salicylic acid (BHA) is oil-soluble, meaning it penetrates into the pore lining where sebum and dead cells accumulate — the most direct topical approach to comedone formation. At 1–2%, introduced gradually, it is appropriate for most teenage skin types. Every-other-day introduction avoids the over-exfoliation that causes dryness and further barrier compromise.

SPF is not optional. UV exposure accumulated in teenage years drives the photoageing that becomes visible in the thirties and beyond. The habit established early is the most valuable skincare investment anyone can make — and it costs almost nothing relative to the benefit.

When to escalate

If a three-step routine maintained consistently for 8–12 weeks produces insufficient improvement — persistent inflammatory acne, cystic lesions, visible scarring — escalation makes sense.

Adapalene 0.1% is available over the counter in Australia and is the most potent OTC retinoid. It targets keratinocyte differentiation in the follicle, reducing comedone formation at the source. It requires a gradual introduction over 8–12 weeks, is PM-only with mandatory SPF the following morning, and has a better tolerability profile than tretinoin. Adapalene is clinically evidenced for acne and significantly outperforms most OTC acne treatments when used consistently.

For severe or scarring acne, a GP or dermatologist is the appropriate next step. Prescription options — tretinoin, combination topical therapies, or oral isotretinoin for the most severe presentations — significantly outperform any OTC routine. These decisions should be made by a clinician, not a product page.

What does not work — and what makes things worse

Physical scrubs — apricot kernels, walnut shell powder, sugar — create micro-inflammation in already-inflamed skin and can worsen post-inflammatory hyperpigmentation in medium-to-deeper skin tones.

Toothpaste on spots dries the immediate surface, but the irritants trigger local inflammation and frequently leave a dark mark after the breakout resolves — trading one problem for another.

Lemon juice or DIY acid treatments — furanocoumarins in citrus are photosensitisers and can cause significant darkening after UV exposure, the opposite of the intended effect.

Stacking multiple actives at once — vitamin C, retinol, glycolic acid, and salicylic acid applied simultaneously overwhelms the barrier and makes it impossible to identify what is working and what is causing irritation. One active introduced at a time, with a 6–8 week evaluation window, is the only reliable method.

The realistic timeline

Visible improvement from niacinamide takes 4–8 weeks. Salicylic acid reduces active breakouts over a similar period. Adapalene, if introduced, shows meaningful results after 8–12 weeks, with continued improvement through the first six months.

Teenage skin is not designed to be perfect. The goal of a well-chosen routine is not flawlessness — it is reducing unnecessary damage, building habits that compound over decades, and managing the biology with some care rather than working against it.