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OSI Magnesium Oil + Capsaicin 100ml

£11.99

OSI Magnesium Oil with Capsaicin combines magnesium chloride from the ancient Zechstein seabed with capsaicin, the warming compound naturally found in chilli peppers. Applied as a topical spray, it delivers a gentle warming sensation to the area being massaged.

Each 100ml bottle contains around 40 servings. Used by people targeting tired or tense muscles, particularly after activity, or as part of a focused massage routine on a specific area.

Designed for:

  • Adults who want a topical magnesium spray with added warming action

  • People who use targeted application rather than full baths

  • Those who like the warming feel of capsaicin on skin during massage

Apply 2.5ml (around 16 pumps) to clean skin and massage gently. A light burning or stinging sensation may occur during initial use; this is normal with capsaicin. Wait at least 20 minutes before showering.

Suitable for vegetarians. Hypoallergenic and free from the 14 major declared allergens.

A note from our pharmacy team:

The capsaicin in this oil produces a real warming sensation on skin and is what makes this version popular for use after exercise or on a tight area. Always patch test on a small area first, and avoid eyes, broken skin, and sensitive areas. The magnesium absorption claim with topical sprays is more debated than the marketing suggests, so we'd describe this honestly as a warming massage oil with magnesium chloride, rather than a fast way to raise your magnesium. If you're after oral magnesium for levels, ask us.

Book a Supplement Consultation

OSI Magnesium Oil with Capsaicin combines magnesium chloride from the ancient Zechstein seabed with capsaicin, the warming compound naturally found in chilli peppers. Applied as a topical spray, it delivers a gentle warming sensation to the area being massaged.

Each 100ml bottle contains around 40 servings. Used by people targeting tired or tense muscles, particularly after activity, or as part of a focused massage routine on a specific area.

Designed for:

  • Adults who want a topical magnesium spray with added warming action

  • People who use targeted application rather than full baths

  • Those who like the warming feel of capsaicin on skin during massage

Apply 2.5ml (around 16 pumps) to clean skin and massage gently. A light burning or stinging sensation may occur during initial use; this is normal with capsaicin. Wait at least 20 minutes before showering.

Suitable for vegetarians. Hypoallergenic and free from the 14 major declared allergens.

A note from our pharmacy team:

The capsaicin in this oil produces a real warming sensation on skin and is what makes this version popular for use after exercise or on a tight area. Always patch test on a small area first, and avoid eyes, broken skin, and sensitive areas. The magnesium absorption claim with topical sprays is more debated than the marketing suggests, so we'd describe this honestly as a warming massage oil with magnesium chloride, rather than a fast way to raise your magnesium. If you're after oral magnesium for levels, ask us.

Book a Supplement Consultation

Product Details

  • Apply 2.5ml (around half a teaspoon, 16 pumps) to clean skin and massage gently.

    Make sure skin is free of other oils and lotions. Spray or rub the oil onto clean skin. Wait at least 20 minutes before showering it off.

    Patch test on a small area first with 1 to 2 pumps before wider use. If irritation occurs, wash off with warm soapy water.

    Each 100ml bottle contains around 40 servings.

  • Aqua, Magnesium Chloride, Magnesium Sulfate, Potassium Chloride, Sodium Chloride, Calcium Chloride, Polysorbate 20, Caprylic/Capric Triglyceride, Capsaicin.

    Daily intake amount: 2.5ml. Provides 259mg elemental magnesium (NRV not yet established for topical magnesium).

    Suitable for vegetarians. Hypoallergenic, free from the 14 major declared allergens.

  • Capsaicin is the active warming compound found naturally in chilli peppers. Applied to skin, it produces a localised warming sensation often used as part of a focused massage routine.

    The magnesium chloride is sourced from the Zechstein seabed in the Netherlands, sealed underground for around 250 million years and one of the purest natural sources of magnesium salts available.

  • For external use only.

    A light burning or stinging sensation may occur during initial use. This is a normal effect of capsaicin and usually settles.

    Patch test before wider use. Avoid contact with eyes, broken skin, and sensitive areas including the face and genitals. If accidental contact occurs, rinse thoroughly with water (capsaicin is not water-soluble, so you may need soap or oil to fully remove).

    Wash hands thoroughly after applying.

    Do not use if pregnant, breastfeeding, have a medical condition, or are under medical supervision without consulting a doctor first.

    Keep out of reach of children.

    Do not exceed the recommended daily dose.

    Do not use if the seal is damaged or missing.

    Store in a cool, dry place away from direct sunlight and heat.