To choose the best shade of foundation, it is important to consider your skin tone and undertone. Your skin tone is based on how much melanin your skin has and can range from light to medium, or dark. Your skin undertone, on the other hand, refers to the appearance of your skin and can be warm, cool, or neutral.\
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One quick way to determine your undertone is by looking at the veins on the inside of your wrist. If your veins appear blue or purple, it indicates cool undertones. If they appear green or olive, it indicates warm undertones. If you're unsure about your undertones being warm or cool, or if you have both, then you probably have a neutral undertone.\
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Once you have determined your skin tone and undertone, you can choose a corresponding foundation shade or you can try using a foundation finder tool to help you find the perfect match for your skin.\
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