Cooling the Body Naturally: What Oils Actually Help in Summer

Summer doesn't just make you uncomfortable — it changes how your body behaves. Appetite drops, sleep gets lighter, and there's a low, constant hum of internal heat that doesn't fully go away even after a bath. Most people reach for food or hydration to fix this. Indian households have traditionally reached for something else too: changing which oils they use, depending on the season.

This isn't modern wellness advice repackaged. It's older than that — it comes from Ayurveda's system of classifying foods and oils by virya, or potency: broadly, whether something has a heating or cooling effect on the body, independent of its actual temperature. Ghee, for instance, is classically cooling. Mustard oil is classically heating. None of this is about calories or thermometer readings — it's a separate, older framework, and it's worth being upfront that it hasn't been validated the way modern clinical nutrition has.

With that honestly stated, here's what the tradition actually says, and where the line sits between "this is a long-standing practice" and "this is a proven effect."

Coconut oil: classically cooling

Coconut oil has been the default summer oil in coastal India for generations, and in Ayurvedic terms it's classified as cooling — traditionally used to pacify Pitta, the dosha associated with heat and inflammation. A common practice is applying it to the scalp before a bath. People who do this regularly often say it makes the day's heat easier to sit with. That's a reasonable thing to try; it's not a claim that it lowers body temperature in any measurable way, and we're not going to pretend otherwise.

Castor oil: used sparingly, for a specific reason

Castor oil is dense and heavy, and traditional use reflects that — it's applied in small amounts, not poured generously. One old practice is a small amount on the soles of the feet at night. Ayurvedic tradition associates this with a calming effect before sleep. We want to be direct about what this is and isn't: it's a long-standing home practice, not a treatment for insomnia or headaches. If sleep problems or headaches are frequent or disruptive, that's worth raising with a doctor rather than managing with oil alone.

A sourcing note, since it matters to us: unlike our coconut and sesame oils, we don't press this one ourselves. Our castor oil is sourced from village producers who still extract it using traditional methods. We chose them for that reason — but the oil reaches us already pressed, not from our own unit.

Sesame oil: warming, and that's the point — just not at midday

Sesame oil is one of the most respected oils in Ayurvedic use, and it's classified as warming — which sounds like the opposite of what you'd want in summer. It isn't a flaw, though; it just means timing and quantity matter more than usual. A heavy midday sesame massage in peak summer doesn't make much sense. Used lightly, in smaller quantities, or earlier in the day, it can still have a place in a seasonal routine.

What actually ties this together

The common thread isn't really which oil you pick — it's how the oil was made. Oils extracted slowly, without added heat or chemical solvents, keep more of their natural character intact, which is part of why traditional use distinguishes so carefully between them in the first place. Once an oil has been refined, bleached, and deodorised, a lot of that distinction disappears along with the processing — you're left with a neutral fat, not the specific oil Ayurveda is describing.

That's not a health claim. It's just an observation about why "use the right oil for the season" only really works if the oil hasn't already been processed into something generic.

Where we'd stop short

None of this replaces medical care. Persistent heat intolerance, disrupted sleep, or recurring headaches are worth a doctor's attention — not a different oil. What's described here is a seasonal practice with a long tradition behind it, not a treatment, and it works best treated as one small, consistent habit alongside the basics: enough water, reasonable meal timing, and rest.

Our cold-pressed coconut and sesame oils are pressed in our own unit in Bengaluru. Our castor oil is sourced from village producers who still use traditional extraction methods — we don't press this one ourselves.

Shop Cold-Pressed Coconut Oil →
Shop Castor Oil →
Shop Cold-Pressed Black Sesame Oil →

References
1. Holistic Online. Ayurveda — Classification of Food, Oils, Taste, Heating or Cooling, Post-Digestive Effect. Reference summary of classical virya classification across common cooking oils.
2. Ritucharya. Understanding Virya (Potency) in Ayurveda: How Hot and Cold Energies Balance Your Health.
3. This post describes traditional Ayurvedic classification, not clinical findings. We are not aware of controlled clinical trials testing topical oil application against sleep quality or headache frequency, and we don't want to imply otherwise.