The internal consistence of the Farsi version in terms of Cronbach's alpha was 0.95 for the SSQN scale and 0.96 for the SSQS scale. (interpersona.psychopen.eu)
BioTe's method works something like this: about 3 days after insertion, the body has built capillaries around the pellets, allowing the hormones to be gradually and naturally drawn into the bloodstream for consistence availability over 3 - 4 months. (carbscout.com)
Now I am only reviewing one out of the many colors they have in this collection, so I can't speak for quality consistence on all and I've also heard that the finishes differ a bit from blush to blush. (facetocurls.com)