What is the Blue Nail Theory?

Influencers across TikTok are boasting their blue nails in conjunction with the trend, which is said to reflect they are in a relationship.
Influencers across TikTok are boasting their blue nails in conjunction with the trend, which is said to reflect they are in a relationship.
Adobe Stock/Dmitri

With 2025 in full swing, nail trends are already making a statement and taking over social media.

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