TikTok’s algorithm has significantly reshaped how fashion trends emerge and spread. Its viral nature means that the platform can accelerate the popularity of particular styles, making them mainstream almost overnight. TikTok's user-centric feed, which caters to highly personalized interests, allows niche fashion trends to gain traction among specific communities before reaching broader audiences. Through short, engaging videos, influencers and everyday users alike are able to showcase unique outfits, resulting in rapid trend diffusion. This accelerated fashion cycle has made TikTok an essential tool for trend forecasting, influencing both designers and consumers alike.