Running cool water over a burn for 20 minutes is the single most important thing you can do immediately after a burn injury. That one step reduces tissue damage, lowers pain, and improves healing outcomes more than any cream or ointment you apply later. Beyond that initial cooling, what helps most depends on how deep the burn goes and how you care for it over the following days and weeks.
Cool Water First, Everything Else Second
As soon as a burn happens, hold the affected area under cool running water at around 15°C (59°F) for a full 20 minutes. This works best within the first three hours after the injury, but sooner is always better. The water doesn’t need to be cold. In fact, ice and ice water should never be used because they can cause further tissue damage and restrict blood flow to the injured skin. Similarly, avoid cold compresses as a substitute for running water.
While you’re cooling the burn, keep the rest of your body warm. Burns impair your ability to regulate temperature, and hypothermia is a real risk, especially with larger injuries. Cover unburned skin, stay in a warm room, and focus the cool water only on the burned area.
How to Tell if You Can Treat It at Home
Not all burns are the same, and the depth of the injury determines what kind of care you need.
A first-degree burn only affects the outermost layer of skin. It looks pink or red, feels painful, and stays dry with no blisters. A mild sunburn is a typical example. These heal on their own within a few days and are safe to manage at home.
A second-degree burn goes deeper and usually produces blisters. If the skin underneath a broken blister is uniformly pink and blanches (turns white briefly) when you press it, the burn is relatively shallow. If the wound bed looks mottled or patchy and barely blanches, the burn extends deeper into the skin. Shallow second-degree burns are often manageable at home with proper wound care, though larger or deeper ones benefit from professional evaluation.
A third-degree burn destroys the full thickness of the skin and can extend into the fat beneath it. The skin may appear white, brown, black, or waxy. It feels leathery and stiff rather than soft, and it’s often painless because the nerves have been destroyed. Third-degree burns always require medical treatment.
Burns on the face, hands, feet, genitals, or over joints also warrant professional care regardless of depth, as do any burns that wrap around an arm or leg, or those larger than the size of your palm.
What to Put on a Burn (and What Not To)
After cooling, gently pat the area dry and apply a thin layer of aloe vera gel or a medical-grade honey product. Both have solid clinical evidence behind them. A meta-analysis of patients with second-degree burns found that aloe vera shortened healing time by an average of 4.4 days compared to other treatments. Medical-grade honey has been shown to heal superficial and partial-thickness burns faster than standard silver-based wound creams, while also reducing infection rates. Honey works through a combination of its natural acidity, its ability to draw moisture from bacteria, and the slow release of hydrogen peroxide when it contacts wound fluid.
After applying your chosen treatment, cover the burn loosely with a non-stick sterile bandage. Change the dressing daily or whenever it gets wet or dirty. Keeping the wound moist and protected speeds healing and reduces scarring.
Equally important is what you should never put on a burn. Butter, toothpaste, egg whites, milk, and flour are all common folk remedies that cause real harm. Butter traps heat in the skin and introduces bacteria. Toothpaste contains sodium fluoride, which irritates damaged tissue, along with ingredients like glycerol that actually encourage bacterial growth. Sorbitol in toothpaste leaves sticky residue in the wound that promotes infection. None of these “remedies” are sterile, and burns leave your skin’s immune barrier compromised.
Managing Burn Pain
Burns hurt, and pain management matters for both comfort and healing (chronic pain signals can slow recovery). Over-the-counter anti-inflammatory medications like ibuprofen are a good first choice because they reduce both pain and swelling at the burn site. Acetaminophen is an alternative if you can’t take anti-inflammatories. For the first day or two, take these on a schedule rather than waiting for pain to build.
Cool (not cold) compresses applied over the bandage can offer additional relief between doses. Keeping the burn elevated above heart level when possible also helps reduce throbbing, especially with hand or arm burns.
What to Do About Blisters
The instinct to pop a burn blister is strong, but the current medical consensus recommends leaving blisters intact whenever possible. The blister skin acts as a natural sterile bandage, protecting the raw tissue underneath from bacteria and physical irritation. A 2024 international consensus on second-degree burns specifically recommended preserving blister skin during early care.
There are exceptions. Blisters larger than about 6 millimeters, those with very thin walls likely to rupture on their own, or blisters in areas where they’ll be constantly rubbed or compressed may need to be drained. If draining is necessary, the recommendation is to puncture the blister at its edge with a sterile needle and let the fluid out while keeping the overlying skin in place as a protective cover. If a blister has already torn open on its own, gently clean the area, apply an antibiotic ointment or honey, and cover it with a non-stick bandage.
Reducing Scars as You Heal
Once a burn has fully closed over with new skin (typically two to three weeks for a shallow second-degree burn), scar prevention becomes the priority. Silicone gel sheets are the best-studied option. They work by keeping the new scar tissue hydrated and occluded, which calms the overactive cells that produce thick, raised scars. Silicone sheets also redistribute tension across the wound, reducing the mechanical forces that drive scar thickening, and they limit the formation of excess blood vessels in the scar area.
The catch is consistency: silicone therapy requires 6 to 12 months of near-constant wear to achieve the best results. The sheets can be washed and reused, and most people wear them under clothing without issues. Starting early, as soon as the wound is fully closed with no open areas, produces better outcomes than waiting.
Sun protection also matters. New scar tissue is highly susceptible to UV damage and will darken permanently if exposed. Cover healing burns with clothing or apply broad-spectrum sunscreen for at least a year after injury.
Nutrition That Supports Healing
Your body needs extra building blocks to repair burned skin, even for relatively minor injuries. Protein is the most important nutrient for wound healing, as it provides the raw material for new tissue. For significant burns, clinical guidelines recommend 1.5 to 2 grams of protein per kilogram of body weight per day, which for a 70-kilogram person works out to roughly 105 to 140 grams daily. That’s substantially more than most people eat normally, so you may need to deliberately increase your intake of eggs, poultry, fish, dairy, beans, or protein supplements.
Vitamin C plays a direct role in collagen production, which is the structural protein that forms the scaffolding of new skin. Zinc supports immune function and cell division at the wound site. Both are available in a standard multivitamin, though people with larger burns may benefit from higher doses. Staying well-hydrated is equally important, since burns increase fluid loss through the damaged skin barrier.