Auteur Definitive Line Serum 1 fl oz

Benefits of AUTEUR Definitive Line Serum

• Visibly softens fine lines and dynamic wrinkles
• Improves firmness, elasticity, and smoothness
• Reinforces barrier strength and protects against oxidative stress

What you'll notice:

• Smoother, more refined skin surface
• Lines and wrinkles appear less pronounced
• Skin feels firmer and more resilient

Clinical Results:

• Wrinkle depth reduced by up to 55 % in 4 weeks (Gold Pro-Collagen Peptide in vivo test)
• Visible smoothing effect within 2 hours of application (SYN®-AKE brand data)

Based on manufacturer-conducted in-vivo tests of Gold Pro-Collagen Peptide and SYN®-AKE dipeptide complexes.

How To Use AUTEUR Definitive Line Serum

1. Apply 1–2 pumps to clean, dry skin morning and evening after cleansing.
2. Focus on areas with visible expression lines (forehead, mouth, and eye area — avoiding direct contact with eyes).
3. Allow to absorb fully before applying moisturizer or SPF.

Pro Tip (from estheticians): For maximum line-smoothing, press into skin using gentle upward motions and apply twice daily for visible results within weeks.

AUTEUR Definitive Line Serum Ingredients

CLINICALLY TESTED / KEY INGREDIENTS

SYN®-AKE Dipeptide: Mimics temple viper peptide to relax facial muscles and reduce dynamic wrinkles without irritation.

Gold Pro-Collagen Peptide: Stimulates collagen I & III synthesis for firmer, denser skin structure.

Liquid Oxygen (Perfluorocarbon Complex): Improves oxygen delivery and cellular metabolism for revitalized tone.

Niacinamide: Brightens, balances oil production, and strengthens barrier function.

Ergothioneine: Antioxidant amino acid that protects against UV-induced and environmental stress.

Hyaluronic Acid Complex: Provides multi-depth hydration and skin plumping benefits.

INGREDIENTS

Aqua/Water, Pentylene Glycol, Perfluorohexane, Squalane, Niacinamide, Glycerin, Perfluorodecalin, Pentafluoropropane, Hydrolyzed Soy Protein, Sodium Hyaluronate, Ergothioneine, Lecithin, Tocopherol, Disodium Adenosine Triphosphate, Panthenol, Acetyl Hexapeptide-8, Dipeptide Diatminobutyroyl Benzylamide Diacetate, Palmitoyl Tripeptide-5, Acetyl Heptapeptide-9, Colloidal Gold, Ethylhexylglycerin, Citric Acid, Caprylyl Glycol, Sodium Citrate, Xanthan Gum

Skin Elite is dedicated to maintaining the accuracy of the ingredient lists on this website. However, because ingredients are subject to change, we cannot guarantee that these lists are complete, up-to-date and/or error-free. For an accurate listing of ingredients in each product, please refer to your product packaging.

FAQs

Can I use this while pregnant or nursing?
The brand does not offer specific guidance; consult your physician before use.

Can I use this with retinol or acid products?
Yes — it pairs well with actives; apply this first and allow to absorb before moisturizer or retinoid.

Is it suitable for sensitive skin?
Yes, though introduce gradually if skin is reactive; peptides are gentle and non-acidic.

How long until I see results?
Visible softening of lines within days to weeks; firmness improves with continued use.

Can I use it around the eyes?
Apply on crow’s-feet and expression lines, avoiding direct contact with eyes.

People Also Ask

Is AUTEUR Definitive Line Serum good for wrinkles?
Yes — it’s formulated to target expression lines and static wrinkles with precision peptides and oxygen technology.

Can you use AUTEUR Definitive Line Serum every day?
Yes, AM and PM use is recommended for best results.

Does AUTEUR Definitive Line Serum work under makeup?
Yes — it absorbs instantly and creates a smooth, hydrated base for makeup application.

Is AUTEUR Definitive Line Serum fragrance-free / oil-free?
Formulated without added fragrance; contains biocompatible oils (squalane) for hydration and comfort.