What is BHA? A parent’s guide to salicylic acid for acne-prone teen skin

Salicylic acid, commonly reffered to as BHA (Beta Hydroxy Acid), is a clinically studied exfoliating ingredient widely used to support acne-prone skin. Because it is oil-soluble, it can move into pores to help clear congestion, reduce excess oiI, and calm the appearance of inflamed breakouts. This makes it particularly relevant for teenage skin, where hormonal shifts often drive oil production and blemishes.

If you have been researching skincare for your teenager, you have likely come across the term BHA. It appears in cleansers, treatments, toners, and spot products designed for blemish-prone skin. But for many parents, the abbreviation itself raises questions:

• What exactly is BHA?

• Is salicylic acid safe for teens?

• Does it help breakouts, or can it make skin worse?

Here is what matters most when it comes to teenage skincare.

What is BHA?

BHA stands for Beta Hydroxy Acid.

In skincare, BHA almost always refers to salicylic acid, an exfoliating ingredient widely used in products formulated for oily and blemish-prone skin.

Salicylic acid is oil-soluble, which means it can move into pores rather than working only on the skin surface. This is one of the reasons it is so commonly used in routines designed for teenage breakouts (Tanghetti, 2013). In practical terms, this means BHA works both:

1. Inside pores, where breakouts form

2. On the surface, where dead skin accumulates.

How salicylic acid supports acne-prone skin

Pore exfoliation

Because it is oil-soluble, salicylic acid can enter the pore lining and help loosen the buildup of sebum and dead skin cells that contribute to congestion (Kligman & Kligman, 1998).

Surface exfoliation

It also exfoliates the skin surface, helping remove dead cells that can block follicles and contribute to visible breakouts.

Oil control support

Teen skin often produces excess oil due to hormonal shifts. Salicylic acid can help reduce the appearance of oiliness, leaving skin looking clearer and more balanced.

Anti-inflammatory properties

Salicylic acid has inherent soothing properties that may help calm the appearance of inflamed blemishes (Dreno et al., 2018).

Why BHA is commonly used for teenage acne

Teen acne is typically linked to:

• Increased sebum production

• Hormonal changes

• Congested pores

• Inflammatory breakouts

Because teenage acne is driven primarily by oil, congestion, and inflammation, oil-soluble exfoliants like BHA (salicylic acid) are uniquely positioned to address multiple acne pathways simultaneously. It does not simply exfoliate the surface, it targets the environment where breakouts begin.

Is salicylic acid safe for teens?

When formulated appropriately, salicylic acid is widely considered suitable for teenage, blemish-prone skin. In cosmetic skincare, salicylic acid is typically used within regulated concentration ranges considered safe for adolescent use when applied as directed.

Safety depends on:

• Concentration level

• Product format

• Frequency of use

• Overall routine balance

  
  

Lower concentrations in well-designed formulations are generally preferred for younger skin to minimise irritation while still supporting clearer-looking pores.

Can BHA make skin worse?

It can, if overused or used incorrectly.

Common causes of irritation include:

• Using high concentrations too early

• Applying multiple exfoliating products together

• Combining with strong actives without guidance

• Using it too frequently

Over-exfoliation can compromise the skin barrier, leading to:

• Dryness

• Redness

• Irritation

• More visible breakouts

This is why modern teen skincare approaches favour lower-level, routine-integrated exfoliation rather than aggressive standalone treatments. For teenagers, maintaining barrier balance is just as important as managing congestion.

Where BHA fits into a teen skincare routine

Salicylic acid works most effectively when positioned within a simple, supportive routine:

• Cleanse, to remove oil and debris

• Treat, with BHA to exfoliate pores

• Hydrate, to maintain barrier comfort

• Maintain consistency over time

Supporting the skin barrier alongside BHA

Because salicylic acid exfoliates, it works best when balanced with barrier-supportive ingredients such as:

• Niacinamide

• Aloe extracts

• Allantoin

• Panthenol

This combination helps maintain skin comfort while supporting blemish-prone skin.

The Upenya formulation approach

Within Upenya’s teen skincare philosophy, salicylic acid is positioned as part of a balanced routine in our Blemish Care, not a stand-alone stripping solution.

The focus remains on:

• Supporting congested, breakout-prone skin

• Respecting developing skin barrier function

• Avoiding over-exfoliation

• Encouraging simple, consistent routines

This reflects modern skincare thinking, where teenage acne is managed through supportive care rather than aggressive treatment.

Key takeaway for parents

Salicylic acid, commonly referred to as BHA, is widely used in teen skincare because it can:

• Help exfoliate inside pores

• Support clearer-looking skin

• Reduce the appearance of oiliness

• Calm the look of inflamed blemishes

When used correctly and in balanced formulations, it can be a valuable part of a teenage skincare routine.

References

Dreno, B., Thiboutot, D., Gollnick, H., et al. (2018). Large-scale worldwide observational study of adherence with acne therapy. International Journal of Dermatology, 57(5), 565–571.

Kligman, A.M. and Kligman, D. (1998). Salicylic acid as a peeling agent: A comprehensive review. Dermatologic Surgery, 24(3), 325–328.

Tanghetti, E.A. (2013). The role of inflammation in the pathology of acne. Journal of Clinical and Aesthetic Dermatology, 6(9), 27–35.