Body Temperature, Energy and Skin: Why 37°C Matters

One of the clearest signs of a healthy human metabolism is body temperature.

A well-functioning adult metabolism tends to sit close to 37°C. This isn’t arbitrary - it’s the temperature at which the human body is designed to function optimally.

Optimum body temperature

Temperature = Metabolic Energy

Metabolism is, at its core, energy production.
The more efficiently your cells make energy, the more heat they produce as a natural by-product.

So:

  • Higher (normal) body temperature = higher metabolic energy

  • Lower body temperature = reduced energy production

This is why people with low metabolism often experience:

  • Cold hands and feet

  • Dry, slow-healing skin

  • Fatigue and poor resilience

  • Increased sensitivity and irritation

The body is conserving energy - and the skin feels it.

Cold, tired and frazzled with a low body temperature

Enzymes Work Best at 37°C

Every repair process in your skin depends on enzymes.

Enzymes are biological “workers” that:

  • Build collagen

  • Repair the skin barrier

  • Regulate inflammation

  • Support cell turnover

These enzymes are temperature-sensitive.

Human enzymes are optimised to work best at around 37°C.
When body temperature drops:

  • Enzymatic reactions slow

  • Repair processes become less efficient

  • Skin renewal is delayed

This is one reason why low-metabolic states often show up as dull, fragile, slow-to-recover skin.

Warmth isn’t cosmetic - it’s biochemical.

Why Saturated Fats Make Metabolic Sense for Skin

Here’s where skincare ingredients suddenly become very relevant.

Many saturated fats used in traditional skincare - such as cocoa butter - have melting points very close to human body temperature, roughly 36–37°C.

This is not a coincidence.

When you apply a saturated-fat-rich butter:

  • It is solid at room temperature

  • It melts on contact with warm skin

  • It spreads easily without aggressive rubbing

  • It integrates smoothly into the skin barrier

From a metabolic point of view, this matters because:

  • The skin doesn’t have to “fight” the ingredient

  • There’s no irritation or stress

  • Less energy is diverted into damage control

The ingredient behaves as if it belongs there.

Honestly Body Butter made from saturated fats - pretty firm in cold weather

Compare This to PUFA-Rich Oils (seed oils)

Polyunsaturated fats (PUFA), commonly found in modern skincare oils (such as sunflower oil, safflower oil, grapeseed oil etc.):

  • Are liquid even at low temperatures

  • Oxidise easily when exposed to light, heat, and oxygen

  • Can generate inflammatory by-products

From a low-energy or menopausal skin perspective, this creates extra work:

  • More inflammation to manage

  • More repair required

  • More metabolic energy demanded

When energy is already limited, this can tip skin into dryness, reactivity, or chronic irritation.

Avoid seed oils in both your food and skincare - they oxidise easily, create inflammatory by-products and lower body temperature

Metabolically Compatible Skincare

Healthy skin thrives when:

  • Body temperature is supported

  • Metabolic energy is available

  • Ingredients respect the skin’s biology

Using fats that melt at body temperature is a subtle but powerful signal that an ingredient is physiologically compatible.

It allows the skin to:

  • Stay warm

  • Maintain circulation

  • Support enzymatic repair

  • Preserve its barrier with minimal effort

This is especially important for menopausal skin, where energy production is often already under strain.

Body Butter melting on contact with skin

What If Body Butter Doesn’t Melt Easily on Your Skin?

If you apply my body butter and notice that it sits on the skin, feels hard to spread, or takes quite a while to melt, this can feel frustrating - and it’s often misunderstood.

Most people assume:

  • The product is “too thick”

  • The formulation is wrong

  • Or that they need to rub harder

But from a metabolic point of view, there may be something else going on.

Melting Is a Temperature-Dependent Process

Body butters made primarily from saturated fats (like cocoa butter) are designed to melt at around 36–37°C - roughly normal human body temperature.

If the butter isn’t melting easily, it can simply mean:

  • The skin surface temperature is lower than ideal

  • Circulation to the skin is reduced

  • Metabolic heat production is temporarily low

This is very common in:

  • Cold weather

  • First thing in the morning

  • Peri- and post-menopause

  • Periods of stress, fatigue, or under-fueling

It’s not a failure - it’s feedback.

Why Rubbing Harder Isn’t the Answer

When skin is cold and low in energy:

  • Aggressive rubbing can irritate it

  • Friction can raise inflammatory signals

  • The skin has to spend energy calming itself down

This is the opposite of what dry, sensitive, or menopausal skin needs.

A metabolically compatible butter is designed to:

  • Melt with warmth

  • Spread gently

  • Support the skin barrier without stress

Supporting Melt & Skin Comfort

If a butter takes time to melt, simple changes can make a big difference:

  • Warm a small amount between your hands first

  • Apply after a bath or shower when skin is warmer

  • Use light pressure rather than vigorous rubbing

  • Apply in a warm room where possible

These steps help:

  • Increase local circulation

  • Raise skin surface temperature

  • Allow the butter to melt as intended

Once the skin warms, the butter absorbs beautifully.

A Useful Signal, Not a Problem

From a metabolic perspective, delayed melting can actually be useful information.

It may reflect:

  • Reduced circulation to the skin

  • A need for more warmth or rest

  • A period where the body is conserving energy

As metabolism improves and circulation supports the skin better, many people notice:

  • The butter melts more quickly

  • Skin feels warmer to the touch

  • Absorption improves

  • Overall comfort increases

Skin That Feels Warm Is Skin That Has Energy

Healthy skin tends to feel:

  • Warm

  • Supple

  • Resilient

When skin is cold, it’s often asking for support, not stimulation.

Using ingredients that melt at body temperature respects this process - allowing skin to warm, relax, and repair rather than forcing it to cope.

Gentle Takeaway

If your body butter takes a while to melt:

  • It doesn’t mean your skin is “wrong”

  • It doesn’t mean the product is ineffective

It may simply be a sign that your skin needs warmth, circulation, and metabolic support - and those are things that improve over time.

Healthy metabolism

Healthy metabolism → normal body temperature → efficient enzymes → better skin repair.

And skincare that works with those principles, rather than against them, is far more likely to soothe, protect, and restore the skin long-term.

A happy & healthy 37 deg C

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