Mackie AR, Bajka BH, Rigby NM, Wilde PJ, Alves-Pereira F, Mosleth EF, et al
Based on clinical research and user observations across forums and editorial reviews, the most commonly documented changes include: Smoother skin texture and improved hydration Brighter, more even skin tone Reduced redness in sensitive or rosacea-prone skin Softer fine lines around the eyes and mouth Faded hyperpigmentation, melasma, and acne marks Improved skin firmness and density Smaller-looking pores Reduced hair shedding and new baby hairs Healthier-looking scalp Faster recovery after microneedling and chemical peels The research-backed numbers are even more striking
Rare cases of Ochronosis, a blue-black or grey-black discoloration, may occur with prolonged high-concentration use on dry skin or large body areas
Looking ahead, there is potential for convergence
GLP-1 medications such as semaglutide and tirzepatide are injected under the skin (subcutaneous), not into muscle
For the log-transformed meal test end points (all except iAUC), the estimated treatment differences and the corresponding CI were back-transformed to the original scale and presented as the ratio between liraglutide and placebo, with corresponding 95% CIs