How long does it take for red marks from a first-degree burn to fade?
The red mark from a first-degree burn typically fades within a few days to 1–2 weeks, depending on individual constitution, the size of the burned area, and care practices. This type of burn is considered mild and generally does not leave scars after healing. The details are as follows:
Individual constitution is an important influencing factor. Young people, who have faster metabolism and stronger skin regeneration ability, tend to see quicker fading of the redness—often significantly lighter within just a few days. In contrast, older individuals or those with weaker skin repair capacity may require 1–2 weeks for the redness to subside. The size of the affected area also affects recovery: smaller red patches, being localized, heal more quickly; larger areas may take slightly longer to fade completely, but still generally resolve within the typical 1–2 week timeframe.
Proper post-injury care directly impacts how fast the redness disappears. Immediately cooling the area with cold water after the burn, followed by keeping the skin clean and dry, avoiding scratching or friction, and protecting the area from sun exposure can accelerate the fading process. Inadequate care—such as repeatedly irritating the affected skin or causing minor infection—may delay recovery.
Therefore, there's usually no need to worry excessively about red marks from first-degree burns. With proper basic care, most will naturally fade within a short period. However, if the redness persists beyond two weeks without improvement, or if symptoms such as increased itching or pain develop, it is advisable to seek medical evaluation promptly.