Is niacinamide photosensitizing? Nicotinamide is not photosensitizing.

Is niacinamide photosensitizing? Niacinamide is a very good whitening ingredient. However, many people have doubts about whether niacinamide is photosensitizing and needs to be protected from light when using skin care products containing niacinamide.

Is niacinamide photosensitizing?

Niacinamide is not photosensitizing. Niacinamide is not photosensitivity, will not react to sunlight, and will not be inactivated by oxidation by ultraviolet rays. It can be used safely during the day without the need to avoid light.

Can niacinamide be used during the day?

Niacinamide does not cause photosensitivity and can be used during the day. Niacinamide is a derivative of vitamin B3 and a somewhat viscous liquid. Niacinamide can be completely absorbed after being applied to the skin and massaged for a few moments. It leaves a refreshing and non-greasy feeling. For better whitening effects, it is recommended to use it both morning and evening to achieve better whitening effects.

Do I need sunscreen after using niacinamide?

Sun protection is required. No matter how good the whitening product is, it is useless without sun protection. Even if you don't use niacinamide, you still need to use sunscreen on a daily basis. Skin aging is irreversible, so both whitening and sunscreen must be strictly implemented. Niacinamide is used for whitening, and sunscreen is used to protect the skin from damage by ultraviolet rays. Only by making good preparations for both can you achieve natural whitening.

What are photosensitizing substances?

The so-called photosensitive substances are substances that are good at absorbing long-wave ultraviolet rays in sunlight. Photosensitive substances are accomplices of phototoxic reactions and photosensitivity reactions, and they can induce or stimulate photoreactions. For most people, it is not possible to completely avoid sun exposure, but it is not difficult to minimize sun exposure. However, once it comes into contact with photosensitive substances, a reaction, even a strong reaction, may occur even with normal exposure to sunlight. There are only a few people who are born with photosensitivity, but light reactions caused by photosensitizing substances are very common. In order to protect your skin from photoreaction diseases, you should know which substances are photosensitive. People with a history of photosensitivity, allergic constitutions, or those who have frequently engaged in outdoor activities recently should be more vigilant and try not to come into contact with, take, or eat known photosensitive substances. For example, some vegetables and wild vegetables (gray vegetables, bitter vegetables) that are high in chlorophyll are photosensitive foods.