Yes you certainly can use a baking silicone mould for your soaps. The only thing that might happen is that any essential oil scent might linger for a little while, but if you are using well prepared essential oils and you give the mould a good wash afterwards it shouldn’t be too much of a problem.
I will add some more Candian companies once I’ve done a bit more looking into it.
Meanwhile, here are some tips on identifying whether an essential oil might be lower quality or not (this comes from the above article):
– Price: when comparing brands, usually you’ll find that fake essential oils come at a very low price.
– Reputation: look for reviews, and read the brand’s website. Look out for their information about sustainable and ethical practises, and check if they carry any official certifications.
– Botanical name: look for the scientific name of the plant. If not listed, it could mean that’s not pure but scented.
– Aroma: essential oils should not carry any perfumey smells, so watch out for the potential chemical scents to ensure it’s not a scented oil.
– Touch: when using the essential oil, feel if it absorbs through the skin without leaving a greasy film. This will be a sign that’s a real therapeutic oil. – “Clinical Grade” or “Therapeutic Grade”: these terms are not standardised in the industry, therefore be careful of the potential greenwashing! If you’re doubtful, it’s recommendable to contact the company directly.