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The 2024 Pharmaceutics review documents clinical evidence that Centella reduces post-procedure erythema and accelerates wound healing, with one controlled study showing erythema after laser resurfacing resolved on day 7 in the Centella group versus day 28 in placebo [15]

Vitamin B12 has a long history of effective subcutaneous delivery, with little to no muscle pain after B12 injections

In our article about arm pain after COVID shots, we received a number of comments complaining of longer-lasting pain

Much of the safety data comes from animal studies, where researchers report on tolerance and effects in those models

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