Detailed answer

Night creams contain ingredients like retinol, vitamin C, and niacinamide that can help fade sun spots on the arms over time. These ingredients work by exfoliating and brightening the skin, reducing the appearance of pigmentation. However, it's important to note that night creams alone may not provide significant results. To effectively fade sun spots, it's recommended to use night creams in combination with regular exfoliation, sun protection, and other targeted treatments like serums or creams specifically formulated to address hyperpigmentation. Consistency and patience are key when using night creams to fade sun spots on the arms.