Many people find that winter brings not only dry, cracked lips but also increased lip sensitivity, including flare-ups related to cold sore triggers. While we can’t control the weather, we can understand the factors that influence lip health and take steps to support comfort and resilience throughout the colder months.
In this guide, we explore why lips struggle in winter, what commonly triggers cold sore flare-ups, which foods may help or hinder, and how to naturally care for your lips when they feel dry, stressed, or irritated.
Why Do Lips Get Worse in Winter — and Why Are Cold Sore Triggers More Common?
Lips are one of the most delicate areas of the skin, with no oil glands and very little natural protection. Winter makes them more vulnerable because:
1. Cold, Dry Air Strips Moisture
Low humidity outdoors and indoor heating indoors both draw moisture out of the lips.
2. Lips Become Easily Irritated
Dryness, cracking, or burning sensations can make the skin around the mouth more reactive.
3. Immune Function Often Dips in Winter
Although cold sores are caused by a virus, many people report that flare-ups are more common during times of lowered immunity, illness, or stress — all of which tend to spike in winter.
4. Sun Exposure Still Matters
UV rays can trigger lip sensitivity even on cold days, especially during winter walks or skiing.
Common Cold Sore Triggers (Without Product Claims)
While every person is different, common triggers include:
- Stress or fatigue
- Illness or seasonal immune dips
- Exposure to wind or harsh weather
- Dry, cracked lips
- High-arginine foods (nuts, chocolate, seeds) for some individuals
- Hormonal changes
- UV light exposure
Understanding your personal triggers is one of the best ways to reduce seasonal flare-ups.
Foods and Nutrients Thought to Support Natural Resilience
These foods are commonly chosen by people who want to support their general wellbeing during times when lip sensitivity or cold sore triggers tend to appear:
Lysine-Rich Foods
Some individuals prefer to include more lysine in their diet during vulnerable times.
- Legumes
- Quinoa
- Yoghurt
- Lean proteins
Antioxidant-Rich Foods
Support overall skin health and recovery.
- Berries
- Pomegranates
- Leafy greens
- Citrus fruits (if lips are not cracked)
Herbal Teas Often Chosen for Calm & Balance
- Lemon balm
- Chamomile
- Liquorice root
Hydrating, Nourishing Choices
- Water
- Herbal teas
- Foods rich in healthy fats: avocado, olive oil, nuts, seeds
Foods Some People Choose to Avoid During Lip Sensitivity
If you're prone to cold sore triggers or winter lip irritation, you may want to limit:
- Excess sugar
- Chocolate and nuts (for some, due to arginine)
- Spicy foods
- Citrus when lips are cracked
- Alcohol and caffeine, which may contribute to dehydration
These don’t cause issues for everyone, but they’re common trigger patterns.
Your Winter Lip Care Routine
1. Protect From Weather Exposure
Use scarves, balms, and hydrating gels to create a protective barrier.
2. Stay Hydrated
Internal hydration significantly affects lip comfort.
3. Support Your Body With Nutrient-Dense Foods
Prioritise lysine, antioxidants, and hydration.
4. Avoid Lip-Licking
This worsens dryness.
5. Choose Soothing, Botanical Lip Care Products
Look for clean formulas without synthetic fragrances or preservatives.
Product Highlight: Nova Sore Calming Gel — Natural Care for Dry, Sensitive, or Stressed Lips
When lips feel dry, irritated, or seasonally sensitive, Nova Sore Calming Gel offers clean, botanical-rich care that absorbs quickly without heaviness.
Key Ingredients
- Colloidal silver — helps maintain a clean, balanced surface environment
- Lysine — an amino acid often included in seasonal lip wellbeing routines
- Liquorice root — traditionally used to soothe irritated skin
- Lemon balm — widely chosen for its calming, comforting properties
Why People Love It
- Fast-absorbing, non-greasy formula
- Helps keep lips soft, calm, and hydrated
- 100% natural, vegan, and preservative-free
- Clean, hygienic 15ml pump for precise application
Suitable for everyday support when your lips feel dry, stressed, or vulnerable to seasonal triggers.
Not suitable for children under 3.

Final Thoughts
Winter can be tough on the lips, especially for those prone to dryness or cold sore triggers. By understanding the causes, adjusting your diet, supporting your immunity, and choosing gentle, botanical-focused lip care, you can maintain comfortable, resilient lips throughout the colder months.