Powerful-Strength Vitamin C Serum

Description

DIMETHICONE (Silicone), PROPYLENE GLYCOL (Glycol), GLYCERIN, ASCORBIC ACID (Pure vitamin C), CETYL PEG/PPG-10/1 DIMETHICONE (Silicone), DIMETHICONE CROSSPOLYMER (Silicone), ASCORBYL GLUCOSIDE (Vitamin C derivative), LAUROYL LYSINE, BORON NITRIDE, Hydroxyethylpiperazine ethane sulfonic acid (Hepes), ADENOSINE (Active), HYDROLYZED HYALURONIC ACID (Hydrolyzed hyaluronic acid), LIMONENE (Regulated allergen), Sweet Orange Peel Oil (Essential oil), LEMON PEEL OIL (Lemon essential oil (Allergen)), CITRAL (Regulated allergen), Pentaerythrityl Tetra-Di-T-Butyl Hydroxyhydrocinnamate (Antioxidant)

My Doctor's Diagnosis: Analysis and Target

Visit Powerful-Strength Vitamin C Serum Kiehl's is primarily aimed at people who want to combat skin aging, particularly wrinkles, dullness, and loss of firmness. This serum also aims to improve skin texture and reduce pigmentation spots. Based on my analysis, Kiehl's formula is designed to provide powerful antioxidant action while moisturizing and protecting against external aggressors. The brand offers a solution tailored to mature, dull skin or skin exposed to urban pollution.

Formula Analysis: Key Assets

Three major active ingredients stand out in this serum:

• Pure vitamin C (ascorbic acid) : A benchmark antioxidant, it neutralizes free radicals, stimulates collagen synthesis, and evens out skin tone. It has been proven effective in reducing wrinkles and dark spots.
• Hydrolyzed hyaluronic acid Thanks to its low molecular weight, it penetrates deeply to intensely moisturize and plump the skin, enhancing the smoothing effect of the serum.
• Adenosine : This active ingredient promotes cell repair and improves skin elasticity, helping to reduce the signs of aging.

The presence of silicone derivatives ensures a pleasant texture and an immediate smoothing effect, without weighing down the skin.

Tips and Application Ritual

I apply this serum in the morning, on clean, dry skin, before moisturizer and sunscreen. It is compatible with most moisturizing active ingredients (hyaluronic acid, ceramides), but I recommend avoiding immediate combination with retinoid-based or exfoliating acid-based skincare products to limit the risk of irritation. Daily use optimizes results in terms of radiance and firmness.

My Final Verdict & Safety Opinion

This Kiehl's serum stands out for its concentration of stabilized vitamin C and its clever combination with moisturizing and repairing active ingredients. Its fluid, non-greasy texture is a plus, although the presence of fragrance and essential oils may not be suitable for very sensitive skin. In conclusion, it is an excellent choice for revitalizing and protecting the skin, provided that skin tolerance is monitored.

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