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Equiderma Skin Lotion was born first, and it taught me something important: when you calm the skin and knock back the bacteria and fungus that take advantage of broken skin, you can change the entire trajectory of a case. That mattered at the equestrian center and in rescue, because we weren’t dealing with one horse on one perfect day. We were dealing with real conditions, real turnout, and a steady stream of horses whose skin was already stressed.

Over and over, I saw the same pattern. Pastern skin gets chafed, chapped, or cracked from the elements, in summer or winter. Once the barrier is compromised, inflammation follows, and then organisms have a way in. Horses can become sore fast, and “scratches” stops being a minor annoyance. At the same time, many of the worst cases were on white legs and pink skin, where sunlight hypersensitivity can be part of the problem, either as the original trigger or as the thing that keeps the skin angry once it’s already inflamed. Faces, backs, any pink-skinned area the sun can hit, they all needed protection, not just treatment.

That’s where Equiderma Zinc Oxide Paste came from. I didn’t want a totally different product with a different philosophy. I wanted a true sister product to Equiderma Skin Lotion. So the two share the same active ingredients, but they live in different base forms because the base determines how the product behaves in the real world. Equiderma Skin Lotion is thinner and more softening, which helps when you want to support healing skin and soften scabs. Equiderma Zinc Oxide Paste is thicker, more drying, and designed to stay put, creating a physical barrier that holds up through turnout, moisture, and daily life while also offering protective coverage for sun-sensitive pink skin.

What convinced me I was on the right track was simple and practical: even when horses wore down a thick application, it still left a thin residual layer behind. That meant the skin wasn’t immediately re-exposed to everything that caused the flare in the first place, and the protection, including the sun-shielding benefit, kept working. Equiderma Zinc Oxide Paste exists for the same reason all Equiderma products exist: because horses live outside, conditions aren’t perfect, and they deserve solutions that actually perform where it counts.