ANTI AGEING
Vitamin C Face Serum LR Zeitgard
Vitamin C Face Serum LR Zeitgard combines ascorbic acid with moisturising ingredients and LR’s gold technology in a 30 ml facial serum. LR presents it as an evening skincare step for a smoother, more radiant-looking complexion, with a focus on firmness, moisture and the appearance of pigment spots. The formula brings together vitamin C, glycerin, sodium hyaluronate and glutathione, offering more to explore than the headline ingredient alone.
This guide explains what those ingredients contribute, how to understand the benefits of a vitamin C serum, and where this product fits before your usual night cream. It also looks at the science behind vitamin C and the practical details to consider when choosing a serum.

Vitamin C Face Serum LR Zeitgard at a glance
Facial serum · 30 ml
A pump-bottle format from the LR Zeitgard skincare range.
Ascorbic acid
Two named ingredient complexes highlighted for smoothing skincare.
Hydration ingredients
Glycerin, sorbitol and sodium hyaluronate accompany vitamin C.
Evening application
Apply after cleansing, focusing on small wrinkles and gently massaging until absorbed.
In this article: Overview | Formula | Smothing & hydratation | How to use | Your choice | FAQs | Where to buy
What is LR Zeitgard Vitamin C Face Serum?
It is a facial serum designed to sit between cleansing and night cream. Within the Zeitgard range, its defining features are ascorbic acid, a moisturising base and LR’s approach to keeping vitamin C stable.
LR describes the product as supporting a more even, radiant complexion and a smoother, firmer-looking appearance. The “brightening effect” on the bottle refers to the appearance of pigmentation and skin tone. If you are exploring a vitamin C face serum, it helps to look at the complete formula, how it is meant to be used and what those cosmetic descriptions actually mean.
Key Ingredients & Formula
The formula combines the headline active with ingredients for hydration, stability and the serum’s overall character.
Ascorbic acid: the vitamin C ingredient
The ingredient list names Ascorbic Acid, the familiar name for vitamin C. This differs from labels that list a vitamin C derivative, such as ascorbyl glucoside. It identifies the form used, while the full formulation determines how that ingredient is delivered. The listed information does not specify a vitamin C percentage.
Gold & glutathione: LR’s stability approach
LR describes gold particles as bringing vitamin C and glutathione together, with glutathione helping to stabilise vitamin C. This is the purpose of the brand’s gold technology: supporting the active ingredient within the serum.
Glycerin: moisture and softness
Glycerin is a humectant: an ingredient that attracts and holds water. It contributes to how supple and comfortable the skin feels. A review of glycerol and skin hydration describes its role in the outer skin layer. Here, it sits alongside other moisturising ingredients in the complete formula.
Sodium hyaluronate: a familiar hydration partner
Sodium Hyaluronate is the sodium salt of hyaluronic acid, a water-binding ingredient commonly used in skincare. It adds another hydration component alongside glycerin and sorbitol. For readers comparing vitamin C face serums, this combination helps explain why the surrounding formula matters as well as the headline vitamin.
Orange juice & the supporting base
Citrus Aurantium Dulcis (Orange) Juice appears in the ingredient list, alongside separately listed Ascorbic Acid. The orange imagery reflects an ingredient in the formula; it does not describe a vitamin C concentration. Water, glycols and gums help form the serum base, while the preservative system helps keep the formula stable.
Fragrance & colour: the complete picture
The ingredient list includes Parfum, Linalool and CI 15985 (Yellow 6). These details are useful when matching a product to your preferences. Looking at the whole ingredient list gives a fuller picture than choosing solely by the words “vitamin C” on the front of the bottle.
Full Ingredient list: Aqua (Water), Pentylene Glycol, Glycerin, Dehydroxanthan Gum, Ascorbic Acid, Phenoxyethanol, Ethylhexylglycerin, Sorbitol, Gold, Propanediol, Citrus Aurantium Dulcis (Orange) Juice, Sodium Hyaluronate, Parfum (Fragrance), Caprylyl Glycol, Sodium Benzoate, Glutathione, 1,2-Hexanediol, Xanthan Gum, Potassium Sorbate, Linalool, CI 15985 (Yellow 6)

Understanding the benefits of vitamin C serum
Antioxidants and everyday exposure
Vitamin C can donate electrons to help neutralise reactive molecules involved in oxidative stress. This explains the interest in antioxidant skincare, including vitamin C serum. Research on vitamin C in skin health discusses this biological role. Antioxidant care complements daytime sun protection; a serum is not a sunscreen.
Collagen and an even-looking complexion
Vitamin C supports enzymes involved in collagen formation. Researchers also study its interaction with processes involved in melanin production, which is relevant to uneven pigmentation. A review of topical vitamin C explains these mechanisms and the importance of delivery and stability.
Why hydration deserves its own place
A fresh, supple feel also depends on water in the outer skin layer. This is where humectants such as glycerin are relevant. Hydration and collagen formation are different processes: the former concerns moisture and surface comfort, while the latter concerns the skin’s structural proteins. Understanding both makes a vitamin C serum formula easier to read.
Why vitamin C stability matters
Ascorbic acid is sensitive to oxidation, so formulation is an important part of a vitamin C face serum. LR’s use of gold and glutathione addresses this theme. The useful comparison is the whole product—its vitamin C form, supporting ingredients and intended application—rather than one ingredient name in isolation.
How to use LR Zeitgard Vitamin C Face Serum
LR recommends applying the serum in the evening to cleansed facial skin before your usual night care. Follow the instructions on your current bottle.
- Cleanse – Begin with cleansed facial skin.
- Apply the Serum – Use before the night-care step.
- Follow with night care – Apply your usual night cream afterwards.
What to know before choosing
Match the format to your preferences
This vitamin C face serum may appeal if you prefer a separate evening serum beneath your cream and want to explore ascorbic acid alongside hydration ingredients. The 30 ml pump bottle is a practical format to compare with other facial serums.
Read beyond the headline ingredient
Consider the vitamin C form, fragrance, supporting ingredients and application instructions together. The ingredient list gives those details but does not state a percentage. This helps you compare the product on information that is actually available, without treating its position in an ingredient list as a concentration measurement.
Important Information
Use the current product label for the definitive application, storage and precaution information. LR’s product information specifies evening facial application before night care. As with any new skincare product, consider a patch test first, and use sun protection during the day.
Vitamin C Face Serum: frequently asked questions
KEY TAKEAWAYS
A closer look at vitamin C, hydration and stability
Vitamin C Face Serum LR Zeitgard is a 30 ml evening serum combining ascorbic acid with moisturising ingredients and LR’s gold technology. Glycerin, sodium hyaluronate and sorbitol broaden the formula beyond vitamin C alone, while gold and glutathione form part of the brand’s stability approach.
Vitamin C research provides useful context for antioxidant activity, collagen biology and pigmentation, with results depending on the formulation studied. The practical starting point is simple: check the current ingredient list, decide whether the fragranced serum suits your preferences, and follow the label when applying it before night care.
Where to buy LR Zeitgard Vitamin C Serum
To explore this vitamin C face serum further, visit the official LR shop for your country and search for LR Zeitgard Vitamin C Serum. LR Select is an independent informational affiliate site and does not sell the product directly. The official shop handles orders, availability and checkout. Review the current product details there and on the packaging, particularly the ingredient list and application instructions, before deciding.
Affiliate disclosure: LR Select may earn a commission from qualifying purchases through affiliate links.
