Do skincare fridges actually make a difference?

Yes, but it depends on the product. Refrigeration genuinely extends the shelf life and potency of unstable ingredients like vitamin C, retinol, and certain organic or preservative free formulations. Cold application also constricts blood vessels, reducing puffiness and redness which is why chilled eye creams and jade rollers feel so effective in the morning. However, most stable, commercially preserved products (like standard moisturizers and cleansers) do not need refrigeration to remain effective.