Benzac

Benzac AC Gel is a clear, water-based topical gel containing Benzoyl Peroxide, one of the most widely recognized acne treatments for over 60 years.

Benzoyl Peroxide works through three simultaneous mechanisms:

• Bactericidal — Releases free-radical oxygen to destroy P. acnes bacteria in pores without causing antibiotic resistance
• Keratolytic — Breaks down comedones and unclogs pores
• Sebum reduction — Helps reduce excess oil production on the skin

The drug is converted to Benzoic Acid at the skin surface with minimal systemic absorption, making it highly safe when used as directed. Available at Intimo Life in two strengths: 2.5% and 5%.

Benzac AC Gel has three primary uses:

1. Inflammatory Acne

Effective for mild to moderate inflammatory acne, especially papules and pustules, thanks to its powerful bactericidal action against P. acnes.

2. Comedonal Acne

Its comedolytic properties help dissolve blackheads and whiteheads by exfoliating the buildup of dead skin cells clogging the pores.

3. Oil Reduction

Helps control excess sebum production, reducing the oily shine that contributes to acne breakouts.

Getting Started (Contact Therapy)

1. Wash face with a gentle cleanser and pat completely dry
2. Apply a thin layer of gel to the affected areas
3. Leave on for 10-15 minutes, then rinse off
4. Do this once daily (before bed) for the first 1-2 weeks

Once Skin Adjusts

Gradually increase leave-on time (1-2 hours → overnight) and frequency to twice daily, based on skin tolerance.

Choose the Right Strength

• 2.5% — Best for beginners, sensitive skin, or mild acne
• 5% — For more severe acne or when 2.5% isn't effective enough

Missed Application

Apply as soon as you remember. If it's almost time for the next dose, skip it. Do not double up.

Common Side Effects (First 1-2 Weeks)

• Dryness and flaking — Most common, caused by the exfoliating action
• Redness and burning — More likely with sensitive skin or excessive application
• Itching — Usually mild and resolves as skin adjusts

These are normal and typically improve within 2-4 weeks. Start with 2.5%, apply for short periods, and gradually increase.

Special Warning: Fabric Bleaching

Benzoyl Peroxide has bleaching properties — it can discolor clothing, pillowcases, towels, and any fabric it contacts. Use white or dark fabrics you don't mind staining during treatment.

Stop Using Immediately If

• Severe swelling, blistering, or hives
• Difficulty breathing (severe allergic reaction)

Contraindications

• Allergy to Benzoyl Peroxide or any other gel components
• Broken skin, sunburn, or severely irritated skin

Precautions

• Pregnancy — Category C; consult a physician before use
• Breastfeeding — Unknown if excreted in breast milk; consult a physician
• Children under 12 — Not recommended unless under medical supervision
• Sensitive areas — Avoid contact with eyes, mouth, nose, or mucous membranes
• Fabric contact — The product bleaches fabrics; allow to dry completely before dressing

Benzac AC (Benzoyl Peroxide) has unique strengths compared to other topical acne treatments:

Benzac AC vs Acnetin-A (Tretinoin)

Acnetin-A is a retinoid that also reduces wrinkles but causes photosensitivity and is contraindicated in pregnancy. Benzac kills bacteria more effectively and doesn't cause sun sensitivity, but has no anti-aging benefits.

Benzac AC vs Skinoren (Azelaic Acid)

Skinoren is gentler, doesn't bleach fabrics, and treats melasma, but has weaker antibacterial action. For severe inflammatory acne, Benzac is more suitable.

Benzac AC vs Topical Antibiotics (Clindamycin)

Topical antibiotics like Clindamycin are effective but can cause antibiotic resistance with prolonged use. Benzac doesn't have this issue, which is why it's often combined with Clindamycin to prevent resistance.

Benzoyl Peroxide pairs well with some products but has important cautions:

Compatible Products

• Clindamycin / Erythromycin — Synergistic antibacterial effect and prevents antibiotic resistance
• Adapalene (Differin) — BP+Adapalene combination is a gold-standard acne treatment
• Moisturizer — Apply after Benzac to combat dryness; highly recommended
• Sunscreen — Apply as the last step in the morning routine

Caution / Avoid

• Older Tretinoin formulations — BP degrades Tretinoin; separate timing (BP morning, Tretinoin evening)
• Topical Dapsone — Combined use may temporarily turn skin and facial hair yellow/orange
• High-concentration AHA/BHA — Intensifies irritation; separate timing

Results Timeline

• Weeks 1-2: Adjustment period — dryness, peeling, redness may occur. Acne may not yet improve
• Weeks 2-4: Inflammatory acne starts to decrease, skin begins to smooth out
• Weeks 4-6: Clear improvement — acne reduced by over 50%
• Weeks 8-12: Full results — clearer skin, significantly fewer new breakouts

Duration of Use

Can be used long-term as it does not cause antibiotic resistance. If no improvement within 4-6 weeks, consult a physician. May need to increase from 2.5% to 5%.

Can I buy Benzac AC online?

Yes, you can order Benzac AC Gel online through Intimo Life. Available in both 2.5% and 5% concentrations, in 15g and 60g sizes, starting from 140 THB. All orders ship in discreet, unmarked packaging.

Which strength should I choose?

If you've never used Benzoyl Peroxide before, start with 2.5% — it's less irritating but nearly as effective. Upgrade to 5% only if needed.

How does Intimo Life ship?

Delivery within Thailand in plain packaging with no product details visible. Orders placed today are dispatched within 24 hours.