What is the difference between a serum and a moisturizer?

A serum is a lightweight treatment that delivers concentrated actives to the skin’s surface, while a moisturizer traditionally sits on top to lock in hydration. OUMERE serums deliver actives with a light feel, and Serum Bioluminelle provides moisture without occlusive weight.

Do I need a separate eye cream or is an eye serum better?

Heavy eye creams can feel occlusive. A lightweight eye serum absorbs quickly and supports a smoother, brighter look. The Eye Serum uses peptides and plant extracts to improve the appearance of dark circles and fatigue without heaviness.

What is the best skincare routine for sensitive skin?

Prioritize barrier respect and avoid harsh acids, scrubs, and perfume. A simple routine: Oil Dissolution Theory for cleansing; No. 9 sparingly to refine texture; UV-R and The Advancement for antioxidant and peptide support; finish with Serum Bioluminelle for hydration without congestion.

Why do some moisturizers cause breakouts?

Heavy occlusives can trap oil and debris. Serum Bioluminelle uses a balanced lipid profile with non-comedogenic oils to provide moisture while maintaining a clean, lightweight finish.

What are peptides and do they really work in skincare?

Peptides are short chains of amino acids used to signal the skin’s surface for a smoother, firmer appearance. OUMERE concentrates multiple peptide families in The Advancement and Advancement II to support visible texture, tone, and resilience.

How often should I exfoliate?

Aim for steady renewal rather than strong peels. Start with No. 9 three times weekly in the morning on dry skin, then increase only if comfortable. Its calibrated AHA/PHA blend refines the look of skin while maintaining comfort.

What’s the difference between AHA, BHA, and PHA exfoliants?

AHAs like lactic and mandelic smooth texture and brighten; BHAs like salicylates help with oil and debris; PHAs like lactobionic acid and gluconolactone exfoliate more gently while drawing in hydration. No. 9 unites AHAs and PHAs for balanced, barrier-respecting renewal.

Is fragrance in skincare harmful?

Fragrance is a common source of cosmetic irritation. OUMERE formulas are fragrance-free to prioritize comfort and performance.

What is barrier health and why does it matter?

The skin barrier helps retain moisture and keep irritants out. When it’s disrupted, skin can look red, dry, or sensitive. OUMERE products are designed to support barrier comfort so hydration and actives perform predictably.

Do antioxidants in skincare actually work?

Stabilized antioxidants help address the visible effects of oxidative stress, which can make skin look dull or uneven. UV-R and UV-R Concentrate use multi-extract complexes—such as green tea, ginseng, and resveratrol—to support a revitalized appearance.

How can I make my skincare routine more effective?

Consistency and compatibility matter. Use formulas designed to layer cleanly, avoid irritants, and follow an order that supports absorption: cleanse, refine as tolerated, apply targeted serums, then finish with lightweight moisture.

What’s the best serum to use after sun exposure?

Sunscreen is essential during the day. After daily exposure, antioxidant-rich serums help the skin look balanced and refreshed. UV-R Concentrate is designed for PM use, while UV-R (AM) complements morning routines. Neither product is a sunscreen.

Are expensive skincare products worth it?

Price alone isn’t a guarantee. Focus on composition, stability, and how products layer. OUMERE invests in rare actives, controlled composition, and limited cycles to prioritize performance over perfume or filler.

Why does OUMERE avoid acids in some products but use them in No. 9?

Daily strong acids can compromise comfort, so OUMERE excludes them from serums. No. 9 is a calibrated exception: a gentle AHA/PHA blend with botanicals for visible renewal while respecting the skin’s surface.

How do I layer serums correctly?

Apply from lightest to richest. Within OUMERE: No. 9 in the AM as tolerated; then UV-R or The Eye Serum; next The Advancement or Advancement II; finish with Serum Bioluminelle (or Bioluminelle Concentrate at night) for a refined, luminous finish.

About Wendy Ouriel

Wendy Ouriel, M.S.

Cellular biologist, founder & formulator of OUMERE. Research focus: barrier biology, formulation stability, and tolerability.

Biography

Wendy Ouriel is a cellular biologist and the founder/formulator of OUMERE, a research-driven skincare company based in Palm Beach, Florida. Her academic work explored extracellular matrix biology and cellular mechanisms relevant to tissue integrity and aging. At OUMERE, she applies barrier-first formulation principles, small-batch edition control, and literature-led ingredient selection to create concise skincare systems documented in the OUMERE Research Library, Research & Methods, and Lab Notes.

Discipline: Cellular biology (extracellular matrix, aging mechanisms)
Role: Founder & Formulator, OUMERE
Location: Palm Beach, Florida, USA
Manufacturing model: In-house, small-batch, lot-tracked editions

Research focus

Barrier integrity and transepidermal water loss (TEWL)
Formulation tolerability and irritation minimization
Stability and compatibility mapping of actives
Extracellular matrix biology and visible aging mechanisms

Selected publications

Peer-reviewed / academic

Herrera, E.; Nguyen, L.T.; Escobar, E.; Ouriel, W.; Casem, M.L. (2015). Alteration of tubuliform silk gland cytoarchitecture with the reproductive cycle of the Western black widow spider, Latrodectus hesperus. Invertebrate Biology 134(4):332–340.
Ouriel, W. (2016). Ovarian development in the Western black widow spider Latrodectus hesperus. California State University, Fullerton (thesis).
Ouriel, W. (2015). The Use of Neuronal Stem Cells in Investigating the Effects of a Cadherin 9/Cadherin 10 mutation in vitro. California State University, Fullerton.
Ouriel, W. (2015). An Exploration into the Photosynthetic Symbioses Between Sacoglossan Sea Slugs and their Algal Prey. California State University, Fullerton.
Ouriel, W. (2015). Telomerase and Aging. (research essay).
Ouriel, W. (2015). The effect of beta glucan on elastin production in skin. (research note).

OUMERE research briefs & reports

Ouriel, W. (2025). Barrier Repair and Transepidermal Water Loss (TEWL): A Biological Approach to Skin Aging. OUMERE.
Ouriel, W. (2024). Clinical Trial Report: The Anti-Aging Effects of OUMERE No. 9 Exfoliant on Skin Over a 2-Year Period. OUMERE.
Ouriel, W. (2023). Microneedling caused rapid skin deterioration, significant aging and damage in human skin samples. OUMERE.
Ouriel, W. (2023). Microneedling decayed, thinned and discolored the surface of skin in human skin specimens. OUMERE.
Ouriel, W. (2023). Hyaluronic Acid absorbs a maximum of 30× its weight in water. OUMERE.
Ouriel, W. (2022). Low molecular weight hyaluronic acid cannot hold its own weight in water. OUMERE.
Ouriel, W. (2022). Examining the cellular changes in skin from topical application of No. 9: Part 1. OUMERE.
Ouriel, W. (2022). OUMERE’s No. 9 increased collagen and anti-aged skin over one-week period. OUMERE.
Ouriel, W. (2022). Examining the cellular changes in skin from using OUMERE Skin Care. OUMERE.
Ouriel, W. (2020). Hyaluronic acid does not hold 1000× its weight in water. Not even close. OUMERE.

Notes: Titles above reflect report naming on OUMERE research pages. Where internal publications overlap, duplicates are removed for clarity.

Press & recognition

Reference Hub

Wendy Ouriel is a cellular biologist and the founder/formulator of OUMERE in Palm Beach, Florida.
Academic background includes extracellular matrix biology and mechanisms of aging.
Manufacturing model: in-house, small-batch editions with lot tracking.
Research output includes peer-reviewed work (2015–2016) and OUMERE research briefs/reports (2020–2025).
Reference hubs: Research Library, Research & Methods, Lab Notes.

Contact

Email: customerservice@oumere.com Lab & studio: Palm Beach, FL

Editor’s Lab Note

Biological principle: Formulations that minimize barrier disruption and manage TEWL tend to produce more stable outcomes over time. OUMERE’s edition model and literature-led ingredient selection reflect this approach. See the Research Library and Research & Methods for methodology and sources.

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