Ice Bath Effects: What Cold Exposure Really Does to Women (and Men)

Ice baths are having a moment. From the rise of cold-plunge clubs in Singapore to communal dips across Europe, Australia, and the US, what was once the territory of elite athletes and Nordic winter swimmers has evolved into a shared wellness ritual. The appeal is easy to understand: improved recovery, sharper mental clarity, and a daily reminder that we can do hard things. Yet as more women step into the cold, a quieter question sits beneath the trend: does ice bathing affect women and men in the same way and how much do we actually know?

The answer isn’t about whether ice baths work, the benefits are real and well-documented. Rather, it’s about how cold exposure works, for whom, and under what conditions. This is where modern sports science, the work of Wim Hof, and traditional systems like Traditional Chinese Medicine (TCM) and Ayurveda begin to offer complementary perspectives.

What sports science tells us about ice baths

In scientific literature, ice baths are referred to as cold-water immersion (CWI). Most studies focus on athletic recovery, inflammation, and performance.

Meta-analyses consistently show that ice baths can reduce delayed onset muscle soreness (DOMS) and perceived fatigue following intense training, particularly endurance or high-volume exercise (Sports Medicine review). This explains why ice baths remain a staple in professional sport.

At the same time, research shows that frequent ice baths immediately after resistance training may dampen long-term muscle hypertrophy and strength gains, likely because cold reduces some of the inflammatory signalling required for adaptation (Journal of Physiology study). This finding applies broadly to both men and women and speaks more to timing than to the value of cold itself.

One important limitation is that much of this research is based on male-dominant or mixed-sex cohorts, with relatively little analysis of sex-specific responses.

What we know and what women are increasingly noticing

Research focused exclusively on women and ice baths remains limited.

One randomised controlled trial involving women found that cold-water immersion did not significantly speed recovery after exercise-induced muscle damage compared to passive recovery (PLOS ONE). Rather than undermining the benefits of ice baths, the study highlights an important point – responses depend heavily on protocol, training type, and individual physiology.

Physiology research further suggests that differences in cold response between women and men are often driven by body composition, fat distribution, and surface-area-to-mass ratio, rather than sex alone. When these factors are accounted for, cooling rates can be remarkably similar (Journal of Applied Physiology).

Beyond the lab, however, many women report something science has not fully mapped yet: cold exposure feels very different depending on where they are in their menstrual cycle. It’s common to hear women say they feel more cold-sensitive, depleted, or resistant to cold exposure in the days leading up to or during menstruation, even if they tolerate it well at other times of the month.

Books like Biohack Like a Woman reflect this growing body of female-centred observation, encouraging women to adapt practices like cold therapy to hormonal phases rather than applying fixed, year-round protocols. While these perspectives are not yet strongly supported by large clinical trials, they echo what many women experience firsthand: that the same ice bath can feel supportive one week and overwhelming the next.

Scientific studies examining menstrual phase and cold exposure show mixed results. Some suggest that while baseline core temperature shifts across the cycle, thermal sensation and tolerance may not change dramatically in tightly controlled settings, highlighting the gap between laboratory conditions and lived experience.

In short: women aren’t less suited to ice baths but they may experience them differently, and research is still catching up to the complexity of female physiology.

The Wim Hof method

No modern conversation about ice baths is complete without Wim Hof, internationally known as The Ice Man. His ability to withstand extreme cold sparked scientific interest long before cold plunges became mainstream.

The most widely cited study on Wim Hof was conducted at Radboud University in 2014. In this experiment, Hof and a group trained in his method, combining breathing techniques, cold exposure, and meditation, were injected with endotoxin. The trained group demonstrated voluntary activation of the sympathetic nervous system, elevated adrenaline levels, and a reduced inflammatory response compared to controls (PNAS study).

This was a landmark finding. It challenged the long-held assumption that the autonomic nervous system and immune response could not be consciously influenced. Subsequent studies have supported the idea that breathing techniques paired with cold exposure can enhance stress resilience and autonomic regulation, though researchers are still working to disentangle the specific contributions of breathwork versus cold exposure alone.

What’s important is how Wim Hof himself frames the practice: cold as a teacher, not a competition. The research does not suggest that extreme temperatures are necessary for benefit, but rather that intentional, trained exposure can expand physiological resilience over time.

Mental clarity, mood, and why people keep returning to the cold

Across genders, one of the most consistently reported benefits of ice baths is mental clarity. Cold exposure activates the nervous system and increases noradrenaline and dopamine, neurotransmitters associated with alertness, motivation, and mood regulation (Medical Hypotheses review). This helps explain why many people describe feeling calmer, clearer, and more energised after cold exposure.

This effect isn’t new. In Nordic cultures, cold-water immersion has long been paired with sauna bathing. Not as a biohack, but as a rhythm of heat, cold, and rest.

In Winter Swimming: The Nordic Way Towards a Healthier and Happier Life, Danish researcher Susanna Søberg explores how cold exposure has traditionally been approached as a measured, habitual practice, emphasising consistency and recovery rather than extremes. Her work, which also informs modern metabolic research, reinforces the idea that the benefits of cold lie not in pushing limits, but in returning to balance.

A different lens: what TCM and Ayurveda say about cold

While modern science focuses on outcomes, Traditional Chinese Medicine and Ayurveda emphasise context. In Traditional Chinese Medicine (TCM), cold is considered a Yin influence. Short, intentional exposure to cold can stimulate circulation and activate Yang energy. However, excessive or poorly timed cold exposure may weaken Yang over time, particularly in individuals who already experience fatigue, cold sensitivity, or low vitality.

Women, especially during menstruation or postpartum recovery, are traditionally viewed as more sensitive to internal cold due to blood and energy fluctuations, not as fragility, but as cyclical physiology.

In Ayurveda, cold exposure carries Vata (cold, dry, mobile) and Kapha (cold, heavy) qualities. Excessive cold can aggravate Vata, particularly in those who are stressed, depleted, or under-rested. Classical Ayurvedic discussions of snana (bathing) emphasise water temperature, season, and individual constitution over extremes.

Neither system rejects cold exposure. Instead, both encourage appropriateness over intensity.

So what temperature actually makes sense?

There is no definitive “ideal ice bath temperature” for women or men. Most research protocols use temperatures between 10–15°C, with many metabolic and recovery studies clustering around 14°C.

For women, particularly those newer to cold exposure or more cold-sensitive, staying toward the warmer end of that range (around 13–16°C) may provide benefits without unnecessary strain. Duration and frequency matter just as much as temperature, and colder does not automatically mean more effective.

This aligns with both sports science and traditional medicine thinking: the dose matters.

Where this leaves us

Ice baths offer genuine benefits for men and women alike. From recovery support to mental clarity, cold exposure has earned its place in modern wellness culture.

At the same time, it’s worth acknowledging that women’s health remains under-represented in ice bath research, and many widely shared protocols are extrapolated from male-dominant data sets.

Until the science becomes more nuanced, the most reliable guide isn’t an extreme temperature or a viral challenge, it’s feedback from your own body. Ice baths aren’t new. What’s new is how we engage with them, not as a test of toughness, but as a tool best used with awareness and respect.

In the end, listening to your body may matter more than copying any protocol, no matter how cold it looks on screen.


Sharmaine is the Editor and Business Director at City Nomads. Working across Asia and Europe, she writes about slow living, travel, wellness, music, and culture, shaped by years of building City Nomads around real experiences, everyday rituals, and the way people live, eat, move, and listen.