Are menthol crystals safe for shower steamers?
Yes – USP-grade and pure; dilute 1-3% in steamers for safe, effective vapor relief.
How do I dissolve them for formulations?
Warm carrier (glycerine/witch hazel/oil) to 45°C; add crystals gradually – never microwave or heat directly.
What's the difference from peppermint essential oil?
Crystals are 99.9% levomenthol – far stronger and more targeted cooling than 40-60% in peppermint oil.
How much for a shower steamer batch?
2 tbsp (20g) for 12 strong steamers; adjust 1-3 tbsp for mild to therapeutic intensity.
Can they be used in balms or foot soaks?
Yes – 5% in balms for cooling relief; 1 tsp with salts for refreshing soaks.
How to store in humid Australian climates?
Sealed amber glass at 15-25°C; refrigerate in QLD/NT to prevent clumping/sublimation.
Are they suitable for respiratory relief?
Yes – traditional vapor for congestion/headaches when used in steam or diluted products.
Do they melt easily?
Yes – low 42°C melt point; dissolve smoothly in warm bases.