Is Sio-2 ethical and cruelty-free?
Yes — Sio-2 scores 88/100 on EthiCompare, one of the stronger ratings in our database, with 3 of 4 ethics signals verified.
The evidence, signal by signal
Cruelty-freeverified
At least one product in our database carries a third-party cruelty-free certification.
Vegan optionsverified
Certified vegan products appear in this brand's range.
Sells in mainland Chinaunverified
We have not confirmed this brand's mainland China distribution.
Third-party certifiedverified
We record 3 distinct certifications across this brand's products.
Scored with our public methodology.
Sio-2 products we score

A natural, air-dry terracotta clay sourced from Spanish quarries. This kit avoids the synthetic polymers and microplastics found in standard air-dry clays, making it safe for prenatal crafting.
More on Sio-2
Is Sio-2 ethical? FAQs
Is Sio-2 cruelty-free?+
At least one product in our database carries a third-party cruelty-free certification.
Does Sio-2 have vegan products?+
Certified vegan products appear in this brand's range.
Does Sio-2 sell in mainland China?+
We have not confirmed this brand's mainland China distribution.
What is Sio-2's ethics score?+
Sio-2 averages 88/100 across 1 product we score on certifications, sourcing, labour, packaging and transparency.
What are the best alternatives to Sio-2?+
See our full list of ethical alternatives to Sio-2 for better-scoring options in the same categories.