Salicylic Acid 2%

DERMEDY For Better Back Acne Spray 50ml

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DERMEDY Back Acne Spray — BHA 2% for back acne, reduces bacteria and breakouts. Self-apply mist covers the full back.

💊 Actives: Salicylic Acid 2% + Tea Tree Oil, Niacinamide, Zinc
⏱️ Use: After shower, mist back acne areas AM + PM. Leave on.
🍽️ Condition: Clean, dry skin before lotion.
📦 Pack: 50 ml pump spray
⚡ USP: Irritation-tested, Dermscan Asia
🌡️ Storage: Room temp, away from sunlight

Option: Volume 50 ml
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Product Description

DERMEDY Back Acne Spray is a BHA 2% body spray from Thai skincare brand DERMEDY, built for back acne. Its fine-mist nozzle covers the full back without help. The actives work together — exfoliating blocked pores, dissolving excess sebum, reducing bacteria, and soothing inflamed skin in one step.

  • 📊 A study in the Journal of Clinical and Aesthetic Dermatology (2022) found that 50–60% of acne patients also had truncal involvement (back, chest, or shoulders) — the back being most frequently and severely affected
  • PubMed research shows salicylic acid significantly reduced lesions with a 23.8% drop in IGA scores within 21 days (PMC12274963)
  • DERMEDY Back Acne Spray is irritation-tested under dermatologist supervision at Dermscan Asia — suitable for all skin types
  • Also in store: Oxe'Cure Body Acne Spray — dermatologically tested for sensitive skin

🏭 Thai brand DERMEDY, manufactured in South Korea.

⚠️ If back acne is severely inflamed, red, or swollen, consult a dermatologist or pharmacist before use.

Intimo Life Content Team

Medically reviewed by

Intimo Life Content Team | Sources: PMC, JCAD, PubMed

Last reviewed: 2026-06-10

About DERMEDY Back Acne Spray

What Is DERMEDY Back Acne Spray?

DERMEDY Back Acne Spray is a BHA skincare spray for back and body acne, developed by Thai brand DERMEDY and manufactured in Korea.

The primary active is Salicylic Acid 2%, a Beta-Hydroxy Acid (BHA) that is oil-soluble — meaning it penetrates sebum-clogged pores more effectively than typical AHAs, especially on the back where sebaceous glands are densely distributed.

Supporting ingredients include:

  • Tea Tree Oil — antibacterial and anti-inflammatory
  • Niacinamide + Zinc — oil control and redness reduction
  • Witch Hazel — pore tightening
  • Centella Asiatica + Aloe Vera — post-application skin soothing
  • Tranexamic Acid + Acai Berry — fades post-acne dark spots

The formula has been irritation-tested under dermatologist supervision at the Dermscan Asia Institute.

How Does the Back Acne Spray Work? The BHA Mechanism

DERMEDY Back Acne Spray works through a three-level BHA mechanism simultaneously:

  • Exfoliation (Keratolytic) — Salicylic Acid dissolves the bonds between old skin cells inside pores, keeping follicles clear and reducing the formation of blackheads and whiteheads
  • Sebum Dissolution (Lipolytic) — As a lipid-soluble BHA, it penetrates deep into follicles and dissolves accumulated sebum before it becomes a blocked pore
  • Bacteria Reduction — Both Salicylic Acid and Tea Tree Oil reduce C. acnes bacteria populations that trigger inflammatory breakouts

The combined result is fewer clogged pores, fewer new back acne breakouts, and smoother-looking skin with continued use. Niacinamide and Zinc additionally regulate sebum output to prevent re-clogging.

How to Use DERMEDY Back Acne Spray — When and How Often?

How to use DERMEDY Back Acne Spray as recommended by the brand:

  • Shower and dry your skin thoroughly first
  • Hold the DERMEDY Back Acne Spray about 10–15 cm from the skin and mist over back acne areas
  • Allow to dry naturally — no rinsing needed
  • Apply moisturizer or lotion on top as usual
  • Use morning and evening, twice daily, consistently every day

Tip: If you have acne on the shoulders or chest as well, the spray can cover all areas in one step. Best results come with consistent use for at least 4 weeks.

For a routine pairing, use Oxe'Cure Sulfur Soap first in the shower, dry off, then apply DERMEDY Back Acne Spray as the follow-up step.

Why Is Salicylic Acid 2% Good for Back Acne?

Salicylic Acid is the key active in DERMEDY Back Acne Spray for these reasons:

  • Oil-soluble (Lipophilic) — BHA penetrates sebum-clogged follicles directly, unlike AHA which acts only on the surface
  • Anti-inflammatory — reduces redness and swelling from inflammatory back acne
  • Antibacterial — lowers bacterial load on the skin and within follicles
  • Gentle exfoliation — suitable for body skin, which is more delicate than the face

Clinical research (PMC12274963) found a 23.8% reduction in acne scores within 21 days. At 2%, DERMEDY Back Acne Spray uses the maximum concentration recognised by the US FDA for over-the-counter acne products.

What Causes Back Acne?

Back acne (truncal acne) has several contributing causes:

  • Dense sebaceous glands — the back has a high gland density, producing heavy sebum and making clogged pores common
  • Heat and sweat — clothing traps heat and moisture, creating conditions where C. acnes bacteria thrive
  • Friction — backpacks or thick fabrics against the back contribute to Acne Mechanica
  • Hormones — androgens drive excess sebum production, most common from teens through the late twenties
  • Comedogenic products — pore-clogging sunscreens or body lotions can trigger back breakouts

Studies show ~50–60% of people with facial acne also have back or truncal involvement — more common than many expect. Using DERMEDY Back Acne Spray daily addresses these causes directly.

DERMEDY Back Acne Spray vs. Other Back Acne Sprays

The main alternative to DERMEDY in Thai online stores is Oxe'Cure Body Acne Spray. Key differences:

  • DERMEDY Back Acne Spray — SA 2% focused on exfoliation and unclogging pores, plus Niacinamide + Zinc for oil control and Tranexamic Acid to fade marks. Best for back acne driven by clogged pores and excess oil.
  • Oxe'Cure Body Acne Spray — milder SA 1%, positioned as Dermatologically Tested for sensitive skin, paraben-free, oil-free formula.

In short: Clogged pores, high oiliness, or want to fade post-acne marks → DERMEDY Back Acne Spray. Especially sensitive skin → Oxe'Cure.

Precautions and Side Effects of DERMEDY Back Acne Spray

DERMEDY Back Acne Spray is irritation-tested and suitable for all skin types. Key precautions:

  • Sensitive skin may experience mild dryness in the first week — if significant, reduce to once daily initially
  • Do not apply to broken or cracked skin — may increase irritation
  • Keep away from eyes — if contact occurs, rinse with clean water immediately
  • Severe inflammatory acne — cystic or widespread breakouts may need additional treatment; consult a dermatologist or pharmacist
  • Avoid layering multiple high-concentration AHA/BHA products — may cause excess peeling

Can I Use DERMEDY Back Acne Spray with Other Skincare or Soap?

Yes, DERMEDY Back Acne Spray can be used alongside other skincare products. The recommended order is:

Recommended back acne routine:

  • Step 1 (in the shower): Wash with a back acne soap such as Oxe'Cure Sulfur Soap (Sulfur 2.5%) for deep cleansing and initial bacteria reduction. Rinse off.
  • Step 2 (after towel drying): Mist DERMEDY Back Acne Spray over affected areas. Allow to dry naturally.
  • Step 3 (after spray dries): Apply a non-comedogenic sunscreen or body lotion.

The BHA in DERMEDY Back Acne Spray complements sulfur soap well — the soap deep-cleanses while BHA exfoliates and prevents re-clogging.

If applying sunscreen after the spray, wait about 1–2 minutes for the spray to fully dry first.

Where to Buy DERMEDY Back Acne Spray?

Where to Buy DERMEDY Back Acne Spray?

Order DERMEDY Back Acne Spray online at Intimo Life. We ship across Thailand within 1–3 business days. All orders are packed discreetly — product name is not shown on the outer parcel.

⚠️ Disclaimer

The content in this article is for general educational purposes only. It is not intended to replace professional advice, diagnosis, or treatment from a doctor or pharmacist. If you have any questions about symptoms or medication use, always consult a doctor or pharmacist first.

Frequently Asked Questions

No rinse needed. DERMEDY Back Acne Spray is a leave-on formula — mist it on and let it dry naturally. This allows Salicylic Acid and other actives to work on the skin without being washed away.

Yes. Despite the name, DERMEDY Back Acne Spray can be applied to any body area with acne — chest, shoulders, or upper arms. The BHA formula works wherever there are clogged pores, regardless of body location.

Results depend on severity and individual skin type. Most people notice smoother skin and fewer new breakouts within 2–4 weeks of consistent use. For more stubborn back acne, 6–8 weeks may be needed for visible improvement. Research shows salicylic acid begins reducing lesion counts as early as week 4.

Yes. Wait about 1–2 minutes for the spray to dry fully, then apply sunscreen or body lotion. Choose products labelled non-comedogenic so they don't re-clog pores and undo the spray's work.

Topical Salicylic Acid at 2% applied in small amounts on the skin differs from oral use. However, there is insufficient clinical data for pregnant women — it is recommended to consult a doctor or pharmacist before using any BHA product during pregnancy.

DERMEDY Back Acne Spray has been irritation-tested under dermatologist supervision at Dermscan Asia and is stated to be suitable for all skin types. If you have very sensitive skin, a patch test is recommended — apply a small amount to the inner arm, wait 24 hours, and proceed if no redness, itching, or burning occurs.

Spray after showering. Dry your skin thoroughly before applying DERMEDY Back Acne Spray — wet skin dilutes the formula and reduces effectiveness. Clean, dry skin also allows Salicylic Acid to penetrate follicles more efficiently.

If you allow the spray to dry fully before dressing — about 1–2 minutes — it generally should not leave marks on clothing. If clothing presses against the skin immediately after spraying, there may be a temporary damp mark. Always wait until the skin is fully dry before getting dressed.

DERMEDY Back Acne Spray has a mild Tea Tree Oil scent, a lightweight texture, dries quickly, and is non-sticky. Oxe'Cure Body Acne Spray uses Alcohol as a primary carrier, so it evaporates faster, has a more noticeable alcohol scent, and gives an immediate cooling sensation. If you prefer an instant refreshing feel, Oxe'Cure may suit you — if you prefer a gentler scent with more nourishing ingredients, DERMEDY may be the better fit.

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