Purchase terms
Product prices, inventory, and promotions may change according to what is displayed on the site. Order confirmation is the reference after checkout.
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Terms of Service
By using the SISIYUYU website and purchasing products, you agree to the applicable purchase, shipping, after-sale, and product-use terms.
Product use
Human hair extensions should be used according to the care guide. Excessive heat or chemical processing may shorten product life.
After-sale terms
Shipping, exchanges, returns, and refunds follow the relevant policies. Contact support if you need clarification before purchase.
Once the details are clear, go back to the style you like.
Shade, install method, and care routine all help you choose the length, weight, and color more confidently.