People who have a certain type of thyroid cancer, which is medullary thyroid cancer, is very specific and it's very rare, they cannot use that, okay, it's a big no-no, Ortiz said
[2] Willoughby, D., Hewlings, S., & Kalman, D
Regeneracin cutnea Reparacin epitelial, remodelado drmico y mejora de elasticidad en modelos experimentales
The discontinuation profile proves more favorable than retinoids showing rapid rebound and high dependency, while similar to vitamin C and niacinamide demonstrating moderate benefit retention and low dependency patterns
Everything below is either preclinical animal work, a theoretical concern drawn from the proposed mechanism, or self-reported community anecdote each labeled by source class so the evidence weight is never blurred