amount of essential oils, and not to % of each essential oil. it is always better to add less than more. i do not recommend using any essential oil undiluted on the skin. occasionally you can use lavender and tea tree--but this is only for short term emergencies (like a bug bite or a fungal infection...
to ° ' ° ' to ° ' inactive to ° ' laevorotatory up to °, seldom up to - ° ° ' to ° ' ° ' to ° + ° ' ° ' to - ° ' i ° ' to ° ' solubility characteristics soluble in - vols and more of % alcohol, occasionally with opalescence to turbidity on dilution soluble in - vols of % alcohol freshly distilled oils...