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Product FAQsInnerSignal

Does it have an expiration date?

If stored unopened under normal conditions, it can be used for up to three years. Under Japan's Pharmaceutical Affairs Act, cosmetics and quasi-drugs that may undergo a change in quality within three years under normal storage conditions
must display an expiration date. InnerSignal has passed a variety of stability and safety tests, and is a product that can be used without worry within a period of three years. That is why the expiration date is not displayed on the product.

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