Yes, the traditional Zalmanov bath approach sometimes involves mixing yellow and white turpentine emulsions. The 'How it works' content notes this as part of a mixed bath where proportions are usually chosen individually and with good understanding of the method. The yellow emulsion is traditionally linked with a more pronounced warming effect and a gentler influence on vascular tone, while white emulsions are often associated with a different, more stimulating response.
If you are considering mixing, it is crucial to start with a clear understanding of your own reaction to each type separately first. Never begin with a mixture. Establish your tolerance and experience with the yellow emulsion alone over several sessions. Only then, if you wish to explore the combined effects, should you introduce the white emulsion in very small amounts, carefully observing your body's response. The combined effect can be significantly more intense. This practice is not for experimentation but for those following a deliberate regimen, often under guidance. Consult a specialist before attempting mixed baths if you have any cardiovascular concerns, sensitive skin, or are pregnant or breastfeeding.