# DearKlairs Blue Youth Activating Drop EGF Serum, 1.69 fl oz

DearKlairs Blue Youth Activating Drop combines EGF, FGF, and guaiazulene in a lightweight serum for post-blemish care.

- [Original product page](https://www.ofertitastop.com/us/product/dearklairs-blue-youth-activating-drop-egf)
- [View offer](https://www.ofertitastop.com/us/visit/dearklairs-blue-youth-activating-drop-egf)
- Market: US
- Language: en-US
- Currency: USD
- Product updated: 2026-11-01T02:59:02.169Z
- Brand: DearKlairs
- SKU: ofertitastop-us-166110
- Category: Health & Beauty > Personal Care > Cosmetics > Skin Care > Lotion & Moisturizer
- Source store: amazon US
- Active deal: Yes
- Price: 19.77 USD
- Previous price: 24.72 USD
- Discount: 20%
- Rating: 4.4 / 5
- Reviews: 1497

Prices and deal status are the latest recorded data, not a guarantee of availability. Confirm the price and availability with the store.

## Description

EGF and FGF pair with calming guaiazulene in the DearKlairs Blue Youth Activating Drop to target the look of post-blemish marks while helping skin feel soothed. Its water-light, quick-absorbing texture is designed to layer easily into a daily routine, including alongside azelaic acid.

Use it when you want a focused serum step for visible marks, redness-prone days, or uneven-looking texture. Compared with relying on a basic moisturizer alone, this formula brings targeted ingredients into the routine, its lightweight feel also suits people who prefer a serum that layers without a sticky finish.

## Specifications
- Type: EGF and FGF facial serum
- Size: 1.69 fl oz
- Key ingredients: EGF and FGF at 10 ppm each, 1,000 ppm naturally derived guaiazulene
- Texture: Water-light, designed to absorb without a sticky residue
- Formula details: Non-comedogenic, no artificial colorants or fragrance
- Skin types: Acne-prone, oily, combination, sensitive, and reactive

The formula is positioned for both calming and the appearance of post-blemish marks. In a consumer study, marks looked 14.75% improved after two weeks and 23.21% improved after four weeks of daily use. A dermatologist test reported a 46.53% reduction in the look of irritation after three minutes. These are study findings, not a promise of the same result for every person. EGF and FGF are also intended to help smooth the look of fine lines and uneven texture with daily use.

The blue color comes from guaiazulene, a naturally derived ingredient in the formula. With its quick-absorbing, non-sticky feel, the serum can be used morning or night and layered with other routine steps. Customers often highlight its lightweight feel, soothing effect, and the way skin looks brighter or more glowy. Feedback on effectiveness, consistency, and skin compatibility is mixed, so individual experiences vary.

## Who it’s for
This serum is aimed at routines focused on post-breakout marks, redness-prone skin, or a stressed-feeling barrier. Its stated suitability for acne-prone, oily, combination, sensitive, and reactive skin makes it relevant to people seeking a calming step without a heavy finish. It also fits a routine that addresses both visible unevenness and fine lines, rather than using a serum for hydration alone.

For an azelaic acid routine, the brand recommends applying the serum to bare skin first, then following with the azelaic acid product. That order makes the Blue Youth Activating Drop a practical first step when calming the look of redness is part of the routine.

## What you get
The product is a 1.69 fl oz serving of DearKlairs Blue Youth Activating Drop EGF serum. Apply it to bare skin as a daily serum, morning or night, then layer the rest of your skincare routine. For a routine with azelaic acid, use this serum first and follow with that product.

## Final verdict
Choose the Blue Youth Activating Drop if you want a lightweight daily serum centered on the appearance of post-blemish marks and redness, with EGF, FGF, and guaiazulene in one step. Its fast-absorbing texture and stated compatibility with several skin types make it especially useful for routines that call for a calming layer before other skincare.

## Images

![DearKlairs Blue Youth Activating Drop EGF Serum, 1.69 fl oz — 1](https://www.ofertitastop.com/i/JCico0TrkhcIGW34Fr8lhZFg3ymM2wcTouHYCJLgLEE1BayVeBEcRLAB7gWr5lklRcDt0DHDv4Xs31oUZCD3BjCKd4PnS-w8LpZDzDKRDTS8kwPz-UA7cQ.jpg)

![DearKlairs Blue Youth Activating Drop EGF Serum, 1.69 fl oz — 2](https://www.ofertitastop.com/i/DpyB6kEutXZgH5-e812-3W85rPjcQYRjjIHLxtRWv8hyUFQ7f5xSv4Oh_k4dpN411bZyLEEdFNuyvZw36o7bexKkevu165r6h5eJVH4F7AlNWFRfxTon4g.jpg)

![DearKlairs Blue Youth Activating Drop EGF Serum, 1.69 fl oz — 3](https://www.ofertitastop.com/i/MATkvc7wxZcaJBRFV1FJuzcnPTjzlRSonOGvbZw8Cd8LzNPbDvk9sslYfrd70RNvh0wqoxRG3ge8VumV5ZT1eCjPnWR74ADS7bT0Ku4VJ8174x544WeIAQ.jpg)

![DearKlairs Blue Youth Activating Drop EGF Serum, 1.69 fl oz — 4](https://www.ofertitastop.com/i/RaiCXE4wOB0aL56zw-5KhLQQrytHYj8bYzBPgpeVSRuNHZf94MExS-j6T2oPGqExUSsSr-tCtVz1jxyhKh6fIpKKLsdjX5tbCUFV13hpm61YeWTIpfDFbQ.jpg)

![DearKlairs Blue Youth Activating Drop EGF Serum, 1.69 fl oz — 5](https://www.ofertitastop.com/i/df9JQjzHEb69DmWDdPgU-wBlSoHqmkumFAXIp4wM-ewrRDS-olBeDR3187VJhFVC3pnIR_GFovGWQ4YaThgk_pkQBVk5YxS8j_apoddUEzt8l6EGwwbY9g.jpg)