Protection from the sun is not something just for humans; it is essential for horses as well, particularly those with white patches. Squamous cell carcinoma (the medical term for the most common skin cancer) can be painful and difficult to treat. Therefore, prevention is the best form of attack against sun damage to a horse.

How will you know if your horse is experiencing sunburn? It will look just like it does on your skin: Pink or reddened skin with blistering and peeling. Obviously, horses with large portions of white – such as Paints and Appaloosas – will be more at risk. However, white socks and blazes, even snips, can be subject to sun burn. If the skin underneath is pink, take steps to prevent sunburn in that area. Also, do not be fooled that a white belly is protected by its location underneath the horse. Light can reflect up – from arena sand or any other surface.

Research indicates that certain weeds may increase photosensitivity in horses. These plants include: white clover, ragwort, St. John’s Wort, field bindweed and buckwheat. These weeds contain alkaloids that can cause liver damage and, subsequently, high sensitivity to the sun. A weed-free pasture can avoid exposing a horse to additional risk.

Although horses can be protected from sunburn by the same products that we use on our own faces, you will save money by buying products specifically for the horse. Since much more must be applied, the sizes are often much more generous for the price.

Avoiding sunburn in horses:

1. Remove weeds from the pasture
2. Provide plenty of shade trees or other shelter
3. Use a hood with long muzzle attachment
4. Flysheets can protect body areas
5. Apply (and reapply) sunscreen
6. Stall at-risk horses during peak sun hours (10A -2P)
7. Don’t clip white horses during summer; long fur is added protection

Where to apply sun block:

1. Muzzle (nose and lips)
2. Around the eyes
3. Ear tips
4. Dock of tail
5. All other white areas (including bellies and heels)

When to reapply sun block:

1. After exercising
2. On the muzzle after grazing
3. After rainy or humid days
4. After grooming, if shampoo or coat finisher does not contain sunscreen

Even on cloudy days, harmful UV rays can penetrate and damage skin. Therefore, for a horse in pasture, apply a long-lasting sunscreen protection (see Quic brand below).

Whether you are riding or out in the field walking a fence line, take steps to protect yourself and your horse. When it comes to UV rays, protection against the sun is the best course of action.

Below are sunscreen products that will protect you and your horse from the dangers of sun exposure. In addition, see Recommended Products for additional sun protection items.

Long-lasting Quic sun block (protection for coat, mane and tail)


Absorbine 30 SPF sun block for horses and humans