The present invention relates to a composition for external application for skin containing a culture solution obtained from the cultivation of the sand mushroom fruiting body extract or sand mushroom mycelium, specifically containing 0.001-90.0% by weight of the culture solution obtained from the culture of the sand mushroom fruiting body extract or sand mushroom mycelium The present invention relates to a functional skin external preparation or cosmetic composition having excellent whitening effect, atopy improving effect and skin irritation relaxing effect.
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