My Skin Is Very Sore. Can I Still Use Derma Shield?
As Derma Shield is manufactured under Medical Device conditions using hypoallergenic ingredients it is safe to use on any external area of your skin. If your skin is very sore, as with all products you try for the first time, it would be sensible to try just a little for the first couple of applications to ensure that Derma Shield is compatible with your skin.
https://dermashield.co.uk/faq/my-skin-is-very-sore-can-i-still-use-derma-shield/