Total Renewal Micro-Dermabrasion Exfoliator

Most skincare products reinvent themselves every few years. New actives get added, formulas get tweaked, packaging gets redesigned, and marketing departments find fresh ways to say the same thing. No7's Total Renewal Micro-Dermabrasion Exfoliator has resisted this urge for over a decade, and the reason is simple: it works, and there is nothing to fix.

The formula is almost aggressively simple. Sixteen ingredients. Water, aluminum oxide crystals, glycerin, mineral oil, some emollients, silicone, emulsifiers, preservatives. That is it. No peptides, no vitamin C, no botanical extracts, no buzzy actives. This product does not pretend to be a treatment serum moonlighting as a scrub. It is a resurfacing tool, and every ingredient serves that singular purpose.

The aluminum oxide crystals — listed as alumina, second after water — are the genuine article. These are the same particles used in professional microdermabrasion machines in dermatology offices. The critical difference between this and the crushed walnut shell nightmares of the 2000s is uniformity. Each alumina crystal is manufactured to a consistent size and shape, so when they contact the skin, they exfoliate evenly. No jagged edges tearing the epidermis. No random large particles gouging while smaller ones do nothing. Professional-grade materials in a home-use format.

The cream base is cleverly formulated for the exfoliation context. Glycerin provides immediate humectant hydration to prevent the freshly resurfaced skin from drying out. Petrolatum and mineral oil create an occlusive cushion that both lubricates the crystal movement across the skin and seals moisture in afterward. Dimethicone adds silicone slip that further reduces friction. The result is an exfoliation experience that feels controlled rather than aggressive — more like polishing than sanding.

Using this product is refreshingly straightforward. Squeeze a pea-sized amount onto damp fingertips, massage in gentle circular motions across the face for one to two minutes, and rinse. The immediate aftermath is striking. Skin feels dramatically smoother. There is a healthy pink glow as circulation increases in the exfoliated area. Dullness is visibly reduced. The effect is not subtle — you can feel and see the difference from the first use.

For ongoing use, one to two sessions per week is the sweet spot. More than that and you risk over-exfoliation, which manifests as redness, increased sensitivity, and paradoxically, more dryness. This is a powerful tool, and like all powerful tools, restraint is part of using it well.

The minimalist formula has an unexpected advantage: it is fragrance-free and contains very few potential irritants beyond the parabens used as preservatives. This makes it a better option for fragrance-sensitive users than many of No7's own treatment products. The simplicity is the point.

The value proposition borders on absurd. At under eighteen dollars for 75ml, and with only a pea-sized amount needed per use, a single tube lasts four to six months. That works out to roughly three to four dollars per month for professional-grade exfoliation. A single professional microdermabrasion session costs one hundred to two hundred dollars. Even accounting for the professional treatment's greater intensity, the math speaks for itself.

Honest limitations: this is purely mechanical exfoliation. It does not deliver active ingredients to the skin. It will not stimulate collagen production like retinol. It will not dissolve sebum plugs like salicylic acid. It will not brighten through tyrosinase inhibition like vitamin C. What it does is physically remove the dead surface layer, which instantly improves texture and brightness and — importantly — enhances the penetration of whatever actives you apply afterward. Think of it as ground preparation: the microdermabrasion clears the way, and your serums and treatments work better on the cleared surface.

The mineral oil and petrolatum will bother consumers who avoid these ingredients on principle, though dermatologists generally consider them safe and effective. The parabens are present at typical preservative concentrations. Neither issue is likely to cause actual skin problems for the vast majority of users, but they exist as potential dealbreakers for ingredient-list purists.

The Total Renewal Micro-Dermabrasion Exfoliator is a product from a simpler era of skincare — before every face wash needed ten actives and a clinical study. It polishes your skin with actual microdermabrasion crystals in a cushioned cream, it costs less than a lunch, and it has been quietly outselling flashier products for over a decade. Sometimes the best skincare product is the one that does not try to be everything.

Formula

The Science

Microdermabrasion is one of the most well-studied cosmetic procedures in dermatology. The technique uses abrasive particles — traditionally aluminum oxide (alumina) crystals — to mechanically remove the stratum corneum, stimulating epidermal renewal and increasing dermal collagen production through the wound-healing response. Clinical studies published in the Journal of the American Academy of Dermatology have demonstrated that repeated microdermabrasion sessions improve skin texture, reduce fine lines, and enhance the appearance of photodamaged skin.

The at-home adaptation uses the same alumina particles at lower intensity. Aluminum oxide is an inert, non-toxic mineral (corundum in its natural crystalline form) that does not react chemically with skin. Its hardness (9 on the Mohs scale, just below diamond) makes it an effective abrasive, while its inert chemistry means it does not penetrate or leave residue. Research has shown that even gentle at-home microdermabrasion can increase transepidermal penetration of subsequently applied topical agents — a finding published in the Journal of Cosmetic Dermatology demonstrated enhanced percutaneous absorption of hydrophilic and lipophilic molecules after microdermabrasion treatment.

The cream vehicle containing petrolatum and glycerin serves a scientifically important function beyond aesthetics. Freshly exfoliated skin has a temporarily compromised barrier with elevated transepidermal water loss. The occlusive petrolatum and humectant glycerin immediately counteract this, preventing the dehydration cascade that could otherwise make physical exfoliation counterproductive.

Dermatologist Perspective

Dermatologists have long used aluminum oxide crystals in professional microdermabrasion and generally view this at-home adaptation favorably. Board-certified dermatologists note that the uniform particle size of manufactured alumina provides safer, more controlled exfoliation than natural abrasives like crushed shells. The key clinical guidance is frequency — dermatologists recommend once or twice weekly maximum, with gentle pressure, to avoid compromising the skin barrier. For patients who cannot afford or commit to in-office treatments, this is frequently recommended as a reasonable at-home alternative that delivers genuine resurfacing benefits.

Guidance

No7 developed this exfoliator as an at-home alternative to the professional microdermabrasion treatments that were gaining popularity in the early 2010s. Rather than using cheap abrasive particles, they chose pharmaceutical-grade aluminum oxide — the same material used in professional machines — and suspended it in a moisturizing cream base to make it gentle enough for regular home use. The formula has remained essentially unchanged since launch because, as the sales figures show, it did not need improving.

About No7 Legacy Brand (20+ years)

No7 was launched by Boots in 1935. The Total Renewal Exfoliator uses pharmaceutical-grade aluminum oxide crystals — the same material used in professional microdermabrasion machines — adapted for gentle at-home use. The product has been a consistent No7 bestseller for over a decade.

Brand founded: 1935 · Product launched: 2010

Myth vs. Reality

Myth

Physical exfoliators cause micro-tears and damage the skin.

Reality

This concern applies to irregular, sharp particles like crushed walnut shells or fruit pits. Aluminum oxide crystals are uniformly shaped and much finer, providing even mechanical exfoliation similar to what dermatologists use in professional microdermabrasion. When used with appropriate pressure (gentle) and frequency (1-2x weekly), this product resurfaces without tearing.

Myth

Chemical exfoliation is always better than physical exfoliation.

Reality

Both have valid roles. Physical exfoliation provides immediate, visible results in a single use and does not depend on skin pH for activation. Chemical exfoliants (AHAs, BHAs) work more gradually but can target deeper. For immediate texture improvement and dullness removal, this physical exfoliator delivers faster visible results than most chemical alternatives.

FAQ

Common Praise

"Skin feels incredibly smooth immediately after use"

"A little goes a long way — lasts for months"

"Affordable alternative to professional microdermabrasion treatments"

"Gentle enough for regular weekly use"

"Fragrance-free formula is appreciated"

Common Complaints

"Contains mineral oil and petrolatum which some prefer to avoid"

"Contains parabens"

"Can be too harsh if used too frequently or with too much pressure"

"Leaves a slightly oily film that requires thorough rinsing"

"No chemical exfoliating actives — purely physical"

Notable Endorsements

Consistent No7 bestseller for over a decadeUses the same aluminum oxide crystals as professional microdermabrasionFrequently recommended by beauty editors as a budget exfoliator

Appears In

best exfoliant for texture best drugstore exfoliator best physical exfoliator best exfoliant for dullness

Related Conditions

texture dullness dark spots large pores blackheads

Related Ingredients

glycerin petrolatum dimethicone