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We love a no-nonsense woman who tells it how it is, so we asked Dr MJ if we could share her reviews of some of the wild and wacky (and some not so crazy) cosmetic treatments offered across the UK to help you decide on what's right, and also what's very very wrong, for you

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2.5 Quality assessment and risk of bias In line with PRISMA guidelines, the assessment of methodological quality was conducted to evaluate the strength of evidence, recognising that methodological limitations may introduce bias