Journal of Cosmetic Dermatology, June 2019, pages 728-737 4
Neither is universally "better." The right choice depends on the injury type, location, chronicity, your budget, and whether you value convenience or concentrated local delivery
Remember, your healthcare provider is your best ally, and their directions on your script are tailored to your needs
This can help reduce the discomfort at the injection site
It is not very stable either, when exposed to sunlight, it kind of breaks down and loses its effectiveness (not instantly, but over time - it loses 10% of its SPF protection ability within 35 mins)