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A lightweight, water-based first-step serum built around EGF and bFGF peptides plus guaiazulene, the compound behind its blue tint. Klairs positions it for early anti-aging: calming redness, fading post-acne marks and supporting elasticity rather than treating deep wrinkles. It is fragrance-free and non-comedogenic, so it suits sensitive and acne-prone skin where richer peptide serums can sting or clog. Buyers rate it highly and many repurchase, though the peptide and guaiazulene levels are modest, so expect gradual tone and texture changes, not fast lifting.
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Lowest price we've seen: $17.27 on Nov 2 at YesStyle.com. Tracked across 1 store since Nov 2.
Buyers rate it 4.8 out of 5 across thousands of ratings and many repurchase. They describe fast calming of redness, a non-sticky texture that absorbs quickly, and gradual fading of post-acne marks on sensitive skin.
The Dear, Klairs EGF Blue Youth Activating Drop is a first-step serum made with EGF and bFGF peptides. These proteins support skin regeneration and improve elasticity and resilience. EGF (Epidermal Growth Factor) accelerates skin cell growth, and FGF (Fibroblast Growth Factor) stimulates collagen production.
The formula contains 1,000ppm guaiazulene, which gives it a blue tint and soothes redness and irritation. It also helps fade post-acne marks, pigmentation and uneven tone. The serum is lightweight, water-based, fast-absorbing and non-sticky.
After cleansing, apply 3-4 drops evenly across the face and gently pat in. Follow with toner, eye serum and moisturizer, and finish with sunscreen. It is suitable for all skin types, including sensitive, acne-prone, oily and combination skin.
