Skincare During Northern Vietnam's Humid "Nồm" Weather: 5 Essential Tips You Need to Know

Skincare During Northern Vietnam's Humid "Nồm" Season: 5 Essential Rules You Need to Know

Quick Summary: The humid "nồm" season in Northern Vietnam, characterized by air humidity exceeding 90%, creates ideal conditions for bacterial proliferation, easily leading to clogged pores, acne breakouts, and skin irritation—particularly for post-treatment skin. To protect your skin, keep in mind 5 essential rules: eliminate overly rich or oily products, cleanse gently, prioritize anti-inflammatory and oil-control formulations, never skip sunscreen, and handle post-treatment skin with extra care.

How Does the Humid "Nồm" Season Affect the Skin?

The 5 essential rules for skincare during Northern Vietnam's humid season include: eliminating overly oily products, enhancing cleansing without being overly harsh, selecting anti-inflammatory and oil-control products, never skipping sunscreen, and taking special precautions for post-treatment skin. A hallmark of Northern Vietnam's "nồm" season is ambient humidity consistently above 90% alongside muggy, erratic temperatures. These conditions make the skin susceptible to various issues: skin congestion, heightened skin microbiome activity, and favorable environments for acne, inflammation, and itching to develop.

Additionally, if you have recently undergone a dermatological procedure (such as deep cleansing, acne treatment, or skin rejuvenation), your skin is particularly vulnerable during this season. High humidity levels can disrupt the recovery process or trigger inflammatory flare-ups.

Step 1: Eliminate Overly Oily Products

If you used heavy moisturizers, oil-based toners, or rich serums during the dry season, it is time to make a transition.

• Switch to a lightweight, oil-free toner (water- or gel-based).
• Discontinue heavy creams. Replace them with lightweight lotions or moisturizing gels.
• If using facial masks, limit oil-rich masks. Prioritize sheet masks or clay masks.
• Review your sunscreen. Opt for non-greasy formulations in fluid, gel, or spray forms.

Step 2: Enhance Cleansing Without Being Overly Harsh

It is easy to fall into the trap of "aggressive cleansing to strip away oil," but this will compromise the skin barrier.

• Wash your face twice daily using a gentle cleanser (free of harsh soaps).
• If prone to acne, you may use a cleanser containing niacinamide or skincare products formulated with azelaic acid.
• In the evening, if the skin still feels greasy or congested, use a cleansing toner before applying moisturizer.
• Strictly avoid vigorous scrubbing with your hands or towels. Gently pat dry.

Step 3: Choose Anti-Inflammatory and Oil-Control Products

During the humid season, the skin requires support to maintain moisture balance without accumulating excess sebum.

• Use serums or lotions containing niacinamide, green tea extract, or low-molecular-weight hyaluronic acid.
• If you have active or recurrent acne breakouts, consult your physician regarding the addition of mild antibacterial products.
• For sensitive skin (especially post-treatment), prioritize soothing ingredients such as centella asiatica and panthenol.

Step 4: Do Not Skip Sunscreen

Neglecting sun protection during overcast, rainy weather is a critical mistake. UV rays still penetrate cloud cover and damage the skin.

• Choose a gel, spray, or lightweight fluid sunscreen that forms a thin film without leaving a greasy residue.
• If applying makeup, prep the skin with an oil-free primer first.
• If you have recently completed a clinical treatment, avoid direct sun exposure for at least 2–3 weeks (depending on your attending physician's instructions).

Step 5: Special Precautions for Post-Treatment Skin

If you have recently undergone an aesthetic procedure or acne treatment, please observe the following:

• Strictly avoid using products containing active acids, vitamin C, or retinol during the recovery phase without physician approval.
• Do not perform physical exfoliation or vigorous massage. Allow the skin to rest undisturbed.
• If the skin experiences itching, extreme fragility, or any unusual signs, contact the clinic immediately rather than modifying your regimen on your own.
• Keep the skin clean and breathable, yet not excessively dry. Balance is key.

When Should You Consult a Physician?

If you have adjusted your skincare routine but still experience acne breakouts, persistent itching, or worsening skin conditions, do not delay. The medical doctors at BonBoz will help diagnose the underlying root cause and recommend an appropriate treatment protocol. The humid season may require a specialized post-treatment care package to help your skin stabilize more efficiently.

Do not hesitate to visit our clinic for a comprehensive examination and consultation!

References

• AAD — Skin care tips, accessed 03/10/2026
• DermNet — Ageing skin, accessed 03/10/2026

Frequently Asked Questions

Should I use heavy moisturizers during the humid "nồm" season?

No. You should eliminate overly oily products or heavy creams and replace them with lightweight lotions, moisturizing gels, or oil-free toners to prevent pore congestion.

Is sunscreen necessary on overcast, humid days?

Absolutely essential. UV rays can still penetrate clouds and cause skin damage. You should choose a gel, spray, or lightweight fluid sunscreen that leaves no sticky or greasy residue.

What special precautions should be taken for post-treatment skin during this season?

You must strictly avoid self-administering products containing acids, vitamin C, or retinol without your physician's approval. Furthermore, avoid direct sun exposure for at least 2–3 weeks and do not self-modify your recovery regimen if any abnormal symptoms arise.

1. The humid season makes skin more prone to acne breakouts. What are the causes and home remedies?

The humid environment typically stimulates sebaceous glands to produce excess sebum, which combines with environmental debris to easily clog pores and trigger acne. You should prioritize gentle cleansing twice daily and avoid touching your face. If the acne persists or worsens, you should visit BonBoz Clinic for an evaluation by a specialist physician and a tailored treatment plan.