Lotion P50T

EXFOLIATING + PURIFYING BALANCING LOTION

Biologique Recherche Lotion P50T is a vitamin-enriched exfoliating lotion designed for seborrheic Skin Instants experiencing excess surface sebum, shine and uneven-looking texture.

Its progressive exfoliating formula helps remove accumulated surface cells while gently purifying the complexion, regulating excess oil and maintaining the skin's naturally acidic pH.

Unlike the stronger “more is more” approach often associated with exfoliation, Lotion P50T is specifically designed to provide effective resurfacing while helping minimize the discomfort that can accompany acid-based products.

With consistent use, the complexion feels smoother and more balanced, excess shine appears reduced and skin looks fresher and more refined.

Skin Instant:

Recommended by Biologique Recherche for seborrheic Skin Instants.

Particularly suited to skin experiencing:

• Excess surface sebum
• Oiliness or shine
• A T-zone that becomes oily quickly
• Uneven-looking texture
• Congestion
• Skin that benefits from regular exfoliation
• A need for purification without overly aggressive resurfacing
• Skin requiring a more progressive approach to exfoliation

Benefits:

• Gently exfoliates accumulated surface cells
• Helps purify the complexion
• Helps regulate excess surface sebum
• Provides a mattifying effect
• Supports hydration while exfoliating
• Helps maintain the acid pH of the epidermis
• Refines uneven-looking skin texture
• Supports a clearer, smoother and more balanced-looking complexion
• Designed to minimize the discomfort commonly associated with exfoliation

Why Does the Skin's Acid pH Matter?

Healthy skin naturally maintains a slightly acidic surface environment, often referred to as the acid mantle.

This environment plays an important role in supporting:

• Barrier function
• Skin comfort
• Surface balance
• The skin's natural ecosystem

Over-cleansing or repeatedly using overly aggressive products can interfere with that balance.

One of the distinctive principles behind the Lotion P50 family is not simply exfoliation, but supporting the epidermis while maintaining its naturally acidic pH.

P50T combines exfoliation with moisturizing and rebalancing ingredients so the goal is not just to remove surface cells.

The goal is better-functioning, more balanced-looking skin.

What Makes Lotion P50T Different?

P50T is not simply a “weaker P50.”

Its formula is designed specifically around progressive exfoliation + sebum balance + tolerance.

Biologique Recherche describes P50T as helping:

• Exfoliate
• Purify
• Mattify
• Hydrate
• Regulate excess surface sebum
• Maintain the epidermis' acid pH

This makes P50T particularly interesting when skin is oily or seborrheic but you don't necessarily want the most aggressive exfoliating approach possible.

How to Use:

Use after cleansing and before your serums and moisturizer.

When first introducing Lotion P50T:

• Moisten a cotton pad with water, then add a few drops of Lotion P50T.
• Apply to the face, neck and décolleté using gentle upward dabbing movements.
• Do not rub.

After the introductory period:

• Apply Lotion P50T directly to a dry cotton pad and continue using gentle upward dabbing movements.
• Avoid the eye contour area.
• Do not apply to scratched or irritated skin.
• Do not use during treatment with retinoic acid.
• Do not combine with other Alpha-Hydroxy-Acid (AHA) products without professional guidance.
• Avoid immediate sun exposure after application.
• Not suitable for children.
• For external use only.

Loshen & Crem’s Recommendation:

P50T is one of those products we want clients to understand properly because “stronger” is not automatically “better” when it comes to exfoliation.

We think about P50T when someone tells us:

• “My skin gets oily, but I don't want to strip it.”
• “I want P50, but I'm nervous about over-exfoliating.”
• “My T-zone gets shiny very quickly.”
• “My skin feels congested, but aggressive acids make me uncomfortable.”
• “I want smoother skin without making my routine unnecessarily harsh.”

That is where P50T becomes interesting.

Its purpose isn't to make your skin tingle as much as possible.

Its purpose is to progressively exfoliate while helping the skin remain balanced.

And this is important:

Tingling is not proof that P50 is working.

A little temporary sensation can happen when introducing an acid product, but burning, persistent stinging or pronounced redness is not something we want you to “push through.”

The goal is results — not suffering for the plot.

Lotion P50T vs. Lotion P50

These are both designed for seborrheic Skin Instants, but they are not exactly the same.

Choose P50T when the priorities are:

• Excess surface sebum
• Shine
• Progressive exfoliation
• A more tolerance-focused approach
• Hydration alongside exfoliation

Choose Lotion P50 when the Skin Instant is:

• Seborrheic
• More keratinized or thickened
• In need of stronger purifying and resurfacing support
• More accustomed to active exfoliation

In the simplest terms:

• P50T = sebum balance + progressive exfoliation + tolerance
• P50 = sebum balance + stronger purification + keratinized texture

The right choice should be based on the current Skin Instant rather than simply choosing whichever formula sounds strongest.

Lotion P50T vs. Lotion P50W

This is an important distinction because both are sometimes described as “gentler P50s.”

Their current Biologique Recherche recommendations are different.

Choose P50T when the primary concerns are:

• Seborrhea
• Excess oil
• Shine
• Sebum regulation
• Mattifying

Choose Lotion P50W when the primary concerns are:

• Thin skin
• Reactive skin
• Dehydration
• Sensitivity
• A need for progressive exfoliation with more soothing support

Think:

• P50T → oil balance + purification
• P50W → sensitivity + hydration + progressive exfoliation

If sensitivity or reactivity is your primary concern, we would look at P50W before automatically assuming P50T is the best choice.

Lotion P50T vs. Lotion P50 PIGM 400

Choose P50T when your priority is:

• Excess sebum
• Oiliness
• Shine
• Seborrheic imbalance

Choose Lotion P50 PIGM 400 when your priority is:

• Dark spots
• Uneven pigmentation
• Post-blemish discoloration
• Dullness
• Radiance

Think:

• P50T → sebum + balance + mattifying
• P50 PIGM 400 → pigmentation + radiance + exfoliation

Which Biologique Recherche Lotion P50 Should I Choose?

The current Lotion P50 family makes much more sense when you stop thinking about “strongest to weakest” and instead match each formula to the concern:

• P50T → seborrheic skin + progressive exfoliation
• P50 → seborrheic and/or keratinized skin
• P50W → thin, reactive or dehydrated skin
• P50V → skin lacking tone and vitality
• P50 PIGM 400 → dull skin + uneven pigmentation

Your Skin Instant can change over time, so the P50 you need today may not necessarily be the one your skin needs forever.

Ingredients:

• Niacinamide: Vitamin B3 helps support overall skin quality and contributes to the lotion's sebum-balancing and conditioning profile.
• Lactic Acid: An alpha-hydroxy acid that provides progressive exfoliation and helps refine uneven-looking texture.
• Sodium Salicylate: A salicylate incorporated into the purifying and exfoliating formula.
• Vinegar (Acetum): A characteristic component of the P50 family associated with its acidifying and rebalancing profile.
• Glycerin: Helps maintain hydration while the skin is being exfoliated.
• Sodium Lactate, Serine, Urea & Sorbitol: Components associated with the skin's natural moisturizing system that help support comfort and hydration.
• Arnica Montana Flower Extract: Botanical ingredient incorporated into the conditioning complex.
• Arctium Lappa Root Extract: Burdock root extract incorporated into the purifying formula.
• Cochlearia Armoracia Root Extract: Horseradish root extract included within the targeted P50T botanical complex.
• Capsicum Frutescens Fruit Extract: Botanical ingredient included within the current formula.

Full INCI List:

Water (Aqua), Glycerin, Sodium Gluconate, Niacinamide, Propylene Glycol, Lactic Acid, Magnesium Chloride, Vinegar (Acetum), Citric Acid, Sodium Lactate, Sodium Benzoate, Sodium Salicylate, TEA-Lactate, Hydrogenated Starch Hydrolysate, Sorbitol, Arctium Lappa Root Extract, Cochlearia Armoracia (Horseradish) Root Extract, Allantoin, Serine, Urea, Arnica Montana Flower Extract, Anise Alcohol, Benzyl Alcohol, Benzyl Benzoate, Benzyl Cinnamate, Benzyl Salicylate, Capsicum Frutescens Fruit Extract, Cinnamal, Cinnamyl Alcohol, Citral, Citronellol, Coumarin, Eugenol, Evernia Furfuracea (Treemoss) Extract, Evernia Prunastri (Oakmoss) Extract, Farnesol, Geranial, Isoeugenol, Limonene, Linalool, Sodium Bisulfite.

The lists of ingredients used in Biologique Recherche products are updated regularly. Before using a Biologique Recherche product, please refer to the ingredient list on its packaging.

If you have allergies or known ingredient sensitivities, please contact us at info@loshen.ca before purchasing. Our team will be happy to help verify the most current ingredient list for you.

Frequently Asked Questions

What is Biologique Recherche Lotion P50T?

Lotion P50T is a vitamin-enriched exfoliating and balancing facial lotion from Biologique Recherche.

It gently exfoliates, purifies and helps regulate excess surface sebum while providing a mattifying effect and supporting hydration.

Who is Lotion P50T for?

Biologique Recherche currently recommends Lotion P50T specifically for seborrheic Skin Instants.

This includes skin prone to excess sebum, oiliness and shine.

Is P50T for all skin types?

That is older positioning.

Biologique Recherche currently recommends P50T specifically for seborrheic Skin Instants.

Other Lotion P50 formulas are now more clearly matched to different concerns.

Is P50T the gentlest P50?

We would not describe it simply as “the gentlest.”

Its exfoliation is specifically designed to minimize the natural discomfort associated with acids and improve tolerance.

However, Biologique Recherche currently positions Lotion P50W more specifically for thin and/or reactive Skin Instants.

Is P50T good for oily skin?

Yes.

Regulating excess surface sebum and providing a mattifying effect are central to its current Biologique Recherche positioning.

Does P50T help pores?

By reducing excess surface sebum and refining accumulated surface cells, P50T can help the complexion appear smoother and more refined.

Pores themselves do not permanently open or close.

If visible pore size is your primary concern, a targeted serum such as Dermopore may also be appropriate.

Does P50T help breakouts?

Its purifying and sebum-balancing action can make it relevant within routines for blemish-prone, seborrheic Skin Instants.

We would not describe it as an acne treatment or promise that it prevents all breakouts.

Does P50T contain salicylic acid?

The current formula contains Sodium Salicylate, rather than Salicylic Acid itself.

Does P50T contain lactic acid?

Yes.

Lactic Acid is one of the primary exfoliating ingredients in the current formula.

Does P50T contain niacinamide?

Yes.

Niacinamide appears near the top of the current ingredient list.

Should P50T tingle?

It may create temporary sensation when first introduced, but tingling is not a measure of effectiveness.

Burning, persistent stinging, pronounced redness or continued discomfort are signs that the routine should be reassessed.

Why do I start P50 with a damp cotton pad?

Using a damp cotton pad provides a more progressive introduction to an active exfoliating lotion.

Once the skin has adjusted, it may be applied directly to a dry cotton pad.

Can I use P50T every day?

Frequency should be personalized according to your current Skin Instant, tolerance and the rest of your routine.

More frequent exfoliation does not automatically produce better results.

Can I use P50T with retinol?

Biologique Recherche specifically advises against using Lotion P50T during treatment with retinoic acid.

The current official instructions also advise against combining P50T with other products containing Alpha-Hydroxy Acids.

If you use retinol, prescription tretinoin or other exfoliating treatments, contact our team so we can help you avoid unnecessary overlap.

Can sensitive skin use P50T?

Its formula is designed to minimize exfoliation-related discomfort, but Biologique Recherche currently recommends P50T for seborrheic Skin Instants.

For thin, reactive or dehydrated Skin Instants, Lotion P50W may be more targeted.

Can I use P50T around my eyes?

No.

Avoid the eyes and eye contour area.

If the product enters the eye, rinse thoroughly with clean water.

Do I need sunscreen while using P50T?

Daily sun protection is always important when using exfoliating acids.

Biologique Recherche specifically advises avoiding immediate sun exposure after application.

Is P50T the only Lotion P50 available in Canada?

No.

This was historically true under earlier Canadian availability and regulatory conditions, but it is no longer current.

Biologique Recherche Canada now offers Lotion P50, Lotion P50W, Lotion P50V, Lotion P50 PIGM 400 and Lotion P50T.

What is the difference between P50T and P50W?

P50T is currently recommended for seborrheic Skin Instants and focuses on purification, mattifying and excess-sebum regulation.

P50W is designed for thin and/or reactive Skin Instants and focuses more specifically on gentle exfoliation, hydration and comfort.

What is the difference between P50T and regular Lotion P50?

Both can be relevant to seborrheic skin.

P50T provides a more tolerance-focused exfoliating approach while also hydrating and mattifying.

Regular Lotion P50 is currently recommended for seborrheic and/or keratinized Skin Instants and has a broader, stronger exfoliating and purifying acid profile.

What should I apply after Lotion P50T?

Follow with the targeted Biologique Recherche serums, creams and finishing products selected for your Skin Instant.

P50 is the preparation step — not the entire routine.

Where can I buy Biologique Recherche Lotion P50T?

Biologique Recherche Lotion P50T is available from Loshen & Crem online and at our Edmonton, Alberta boutique.

Our skin experts can also help determine whether P50T, P50, P50W, P50V or P50 PIGM 400 is the most appropriate Lotion P50 for your current Skin Instant.

BR Skin Reaction Policy 📄

At Loshen & Crem, we want to ensure you have the best possible experience with Biologique Recherche. Before purchasing any Biologique Recherche product, we highly recommend booking a consultation with one of our estheticians. Consultations are available virtually through Google Meet or in person at our Edmonton boutique. An appointment is required.

In the event of a reaction, Biologique Recherche requires photos of the reaction and the product, the lot number found on the product or the bottom of the box, and proof of a consultation with one of our estheticians before they can review the concern.

If you choose to purchase without a consultation and experience a reaction, we will be unable to provide a refund. Our team is always happy to answer your questions and help you select the products best suited to your skin.