No. DS Laboratories products do not cause any side effects.** However, if you're prone to allergies, you may want to check the ingredient list before using the product you are purchasing.

**With the exception of products containing Minoxidil. These products may result in side effects as listed by the FDA. These side effects can be found on the FDA website.

You can find our ingredient list here: https://dslaboratories.com/pages/science#shopify-section-ingredients

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