DearKlairs Blue Youth Activating Drop EGF + FGF Serum 0.67 fl oz — 10ppm Growth Factors, Soothing Guaiazulene

DearKlairs Blue Youth Activating Drop is a lightweight Korean serum combining 10ppm EGF and 10ppm FGF plus 1,000ppm guaiazulene to soothe, support barrier recovery, and reduce the appearance of post-blemish marks.

This fast-absorbing 0.67 fl oz treatment is formulated for sensitive and reactive skin that needs gentle renewal rather than aggressive exfoliation. The clear blue liquid melts into skin without stickiness, delivering growth factors at the maximum concentration allowed in Korea to aid visible texture and mark improvement while keeping the formula non-fragrant and free from artificial colorants.

How does this serum help visible post-blemish marks and texture?

The formula uses epidermal growth factor (EGF) and fibroblast growth factor (FGF), each at 10ppm, to support cell turnover and the skin’s recovery processes. In a consumer trial, daily use showed measurable reductions in post-blemish marks over two and four weeks.

• EGF & FGF delivered at the regulatory maximum in Korea (10ppm each).
• Clinical-style consumer results: ~14.75% improvement in two weeks, ~23.21% in four weeks.
• Light, non-greasy texture that layers under other skincare steps.

Will this work for sensitive or acne-prone skin?

The serum is designed to be gentle: dermatologist-tested and proven non-comedogenic, so it won’t clog pores. It also showed rapid visible relief from irritation in testing, making it suitable for skin that reacts easily to strong actives.

• Dermatologist-tested reduction in visible irritation by 46.53% within three minutes in study conditions.
• Proven non-comedogenic—compatible with oily, combination, and acne-prone skin.
• No added fragrance; natural guaiazulene provides calming activity and the blue hue.

How and when should I use the Blue Youth Activating Drop?

Apply this serum right after cleansing, while skin is still bare, so the growth factors contact the surface directly. A small 3–4 drop dose is enough; pat gently until absorbed, then follow with toner, moisturizer, and sunscreen in the morning.

• Use 3–4 drops on clean, dry skin as the first treatment layer.
• Suitable for morning and evening routines; follow with moisturizer and SPF in daytime.
• Works well under other actives—use with caution when introducing strong exfoliants.

What gives the serum its blue color and calming effect?

The distinct blue tone comes from 1,000ppm guaiazulene, a natural extract included to visibly calm redness and soothe irritated skin. The pigment is functional rather than decorative: it supports the serum’s calming focus without synthetic dyes.

• 1,000ppm guaiazulene for visible soothing and reduced redness.
• No artificial coloring or fragrance—calming benefits come from the active ingredient.
• Formulation prioritizes quick absorption and a residue-free finish.

Who is this for: The DearKlairs Blue Youth Activating Drop is aimed at people with sensitive, reactive, oily, combination, or acne-prone skin who want a gentle, science-backed way to support recovery and fade post-blemish marks. It’s also a good option for anyone seeking a lightweight, non-sticky serum that layers easily under other skincare steps and avoids strong fragrances or harsh actives.

Ingredients

Water, butylene glycol, sh-oligopeptide-1, sh-polypeptide-1, vaccinium angustifolium (blueberry) fruit extract, lecithin, sorbitan sesquioleate, 1,2-hexanediol, caprylyl glycol, peg-60 hydrogenated castor oil, glycerin, chlorphenesin, guaiazulene, ethylhexylglycerin, adenosine.