I wanted to love this so bad.
I was excited to have received my SC pf yesterday and tried it out this morning .
It tingled for a moment, I thought it would subside and dissipate but after about a minute it started to burn my face, it felt hot and stinging,itchy, like I had a chemical burn , like when I put niacin on my face by accident.
Maybe my skin was just getting used to It? No, the burning sensation wouldn't subside (and I don't consider myself super sensitive like others, only mildly so) so I had to oil cleanse it off and re-do my whole routine. Now i have a red rash across my forehead and little red clusters or irritation where my skin broke out, I guess where it was most sensitive? yay unicorn bump... Oh bioderma why did I try to cheat on you. It felt soothing compared to the sc pf !
Very disappointed this didn't work for me, I will be returning it .
In retrospect I should've seen this coming . Last night a applied a drop to my temple and I felt the tingling, it went away. I didn't have problems with it, though, i guess full force it just didn't agree with my skin
Moral of the story? Patch test! Always. Even if you think you have pretty tough skin.
I'm giving this a 3 star rating because I know it's a good ss it just didn't work for me.

Burned my skin. I loved the idea of this product - lightweight high SPF physical sunscreen, non-greasy which is ideal for my very oily skin. But it burned my skin. Maybe Retin-A makes me sensitive to something - the seaweed? Some antioxidant. Couldn't keep using it. I gave it to my husband, who used it religiously for months until it was used up, and might just buy another bottle for him. For myself, I use Elta MD Physical tinted sunblock now - good coverage, no irritation.

I am a certified sunscreen junkie, so I couldn't sit still and never try this stuff. I was mostly attracted to it because the company claims this has a PPD of 21, which is much higher than any sunscreen I've previously had (I haven't tried any European sunscreens because I'm afraid they're too greasy for me -- FYR my fave Biore Perfect Face Milk has an estimated PPD of 8 or something). Like others, I sometimes get a warm sensation where I apply this. I've heard that this is common with titanium dioxide, and it goes away in a minute or so, so I'm not too worried about it (PM me if I should be though D:). As for the texture and finish, I do find it on the greasy side.. I usually use Japanese sunscreens that are literally undetectable once applied so this really feels a lot different for me, especially since I use 1/4th tsp or possibly more. I have to apply powder after because my skin has an unflattering sheen to it, but I don't think I would want to apply liquid foundation over it because I suspect it would be a cakey mess. But on the positive side I do like the color which effectively evens out my skin tone and is a generally good color match. And even though I probably apply a larger amount of product than your average person, I haven't had an issue with breakouts (I am on Retin A which helps keep me clear though). The packaging is sturdy and easy to use. I've heard people say that there isn't enough product for the price but for me this is a TON of product because I'm usually paying international shipping for teensy bottles of Japanese sunscreens that are half this size. In the end, it doesn't break me out, has a nice concealing effect, and looks fine once I powder over it and stays all day.. AND it has a PPD of 21, so I think this will become my main daily sunscreen for the forseeable future! I would recommend it to anyone without super sensitive skin and who isn't super duper clog prone.

Update 5/15/12: I've been using this pretty much everyday without irritation or breakouts and the dryness issue doesn't bother me if I wear Cerave lotion underneath. I've noticed that when I'm out in the sun that my freckles and sun spots aren't darker at the end of the day like most sunscreens. This makes me pretty confident in it's UVA protection. I just ordered another bottle.
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I don't use this everyday because it seems to dry my face out a bit (I'm pretty dry) but I do wear it on days I know I will be outside. Doesn't irritate like most high SPF sunscreens and doesn't bother my rosacea. I like that it's not whitening like the La Roche Posay Mineral SPF and it's not greasy at all. I use either Clinique TTDO Balm or Mary Kay Creamy Cleanser #2 with a warm washcloth to remove it. It has just a little tint to it which helps tone down the redness in my cheeks, bonus!

This clogs my pores like crazy. I tried it on several occasions but by the end of the day I had mega-breakouts every time. Another thing is that whenever I used this I would get a strange sensation of feeling overheated throughout my body and also a bit dizzy which would happen within 1/2 hr of applying - I never had this happen to me before or after using this product. Maybe I am allergic to the plankton. I did give it 3 stars because it's a great neutral color that will suit many skintones and also it protects very well from burning, tanning.

Fantastic sunscreen! I have quite sensitive skin, so after realising chemical sunscreens were irritating my skin, I researched physical ones and bought this based on the reviews. I wasnt disappointed! Perfect texture, slides on smoothly, and the tint melts into my skin tone fine! Non greasy but I do have to add a tiny bit of powder on top. I havent experienced any irritations with this. The only drawback is that someone mentioned it didnt prevent pigmentation when using it, so will only use this in the winter and spring months. But otherwise its lovely! :)

This is very light and disappears in your skin. It may emphasize skin flakes but that's not a turn off to me. I fell in love with its texture the minute it touches my face. My biggest gripe however is my super sensitive skin. My face becomes very itchy and red with this ss. I cannot comment on its actual UV fighting criterion as I cannot use it long enough to test that. But overall, I think it is a superior formula for most people whose skin is not very sensitive.

This is great stuff! It is like a tinted moisturizer and helps to even out my skin tone while adding sun protection. I like that this does not use any chemical sunscreens. The tint really is universal.....I'm quite pale in my face because I never expose it directly to the sun. This product is not too dark at all. It really blends into the skin so I think any skin tone except maybe the very darkest ones could use this with success. I love this! It's waterproof and lasts all day, especially when powdered. I will be repurchasing!

The best sunscreen for those with acne prone skin! I cannot begin to tell you what a blessing this product is. I generally detest all sunscreens because they cause massive breakouts all over my skin but this one doesn't!!! Buy this is you want a sunscreen without clogged pores!!

I love this sunscreen. It is chemical filter free, paraben free, and uses broad spectrum physical filters. The silky sheer fluid blends easily into the skin and dries quickly. It has a weightless feel on the skin and does not leave a residue, so it does not interfere with subsequent make-up application nor does it leave a greasy cast. My skin is acne prone, many sunscreens have caused break outs on my skin, yet this product has not sparked any acne flare ups. This formula is a translucent beige tint that is designed to adapt to all skin tones. I don't notice the color at all on my medium, warm toned skin. I have used this product while spending many hours outside in the hot sun and it proved effective at working throughout the day, despite the humidity. I suffer from melasma and hyperpigmentation caused by past sun exposure, use related treatments that make me sun sensitive, so a high quality, effective sunscreen is a must. This is the best one I have tried to date.

I'm giving this a tentative 4 stars because I've only used it a couple of times. For reference: I have oily, easily dehydrated, dermatitis and clog prone skin. I've tried virtually every physical SS available in the U.S., the latest failed experiment being Elta MD UV Clear SPF 46 (occlusive and irritating), so I was pleased to discover that not all physical SSs have a white cast, mask-like finish, etc.
My initial impression of Physical Fusion is that it applies like an airy gel lotion, practically disappearing into the skin except for a light satiny finish that is easily mattified with a dusting of finishing powder. The pale beige tint blends well with my fair neutral complexion. (It doesn't mesh well with Physician's Formula mineral powder, unfortunately. Unless you're going for the oompa loompa look :-/)
The only downside that comes to mind is that the matte formula emphasizes the tiniest flakes. But regular exfoliation is a small price to pay for such a cosmetically elegant SS :-)

Received this in Skincarerx's (most recent) Summer "Beauty Cache", and have been extremely impressed and surprised by the performance of this product. I like the slender, utilitarian packaging, together with the liquidity and blendability of this neutral-tinted, physical ss. I have PPP combination skin that has a lot of known and well-documented sensitivities (particularly to products containing chemical ss). So, the titanium dioxide in this product is a welcomed addition to this product's stated ingredients/drug facts. A single application of this, either worn alone, or with tinted moisturizer/powder, easily lasts all day, even in temps and humidity topping out into the mid-90's. It has no fragrance worth mentioning, and while it's very waterproof, it removes easily and cleanly with a standard makeup remover. A Summer staple in my kit!. Absolute re-buy.

Wow, so far so good. I really think this will be the staple sunscreen for my face this summer as it has performed to my high expectations.
I have a light, sensitive skin that can become either dry or oily depending on the weather or on what other products I'm using. I am very prone to hyperpigmentation and can burn easily as well. I am always on the look out for good stable physical sunscreens since I cannot wear chemical ones without irritation.
Pros: Blends very easily, feels light. Seems to have good active ingredients and stable. Can layer without any peeling like other thick physical sunscreens. Tint seems dark, but when applied, disappears while providing very very slight evening out, at least for my face. So far, no additional freckles, no redness even after staying out in the sun for a while. I wear the sunscreen underneath mineral powder and there is no need to touch up. Skin stayed perfectly matte throughout the day.
Cons: Felt slight tingling when first applied after the vitamin C serum, but went away very quickly. It's a pretty tiny bottle compared to the price. I will definitely use this only for my face and use something else for the body.

I think I may have finally found my HG suncreen. I can hardly believe this is a physical because it leaves virtually no reflective film on my skin. I love this and I never really love any sunscreen.

I love this sunscreen.
The formula is very liquid - very much like Sofina Lucent or some other Japanese sunscreens. It doesn't feel quite as silicone-y. You do need to shake it up to make sure it's properly mixed. The bottle has a mixer ball nozzle top and it is easy (too easy) to pour out as much as you need. A pump might be easier to manage, but I don't know how that would work with the mixing...
This product is tinted and it leaves no white cast whatsoever. The tint is a VERY sheer light neutral beige that would probably work for almost any skin tone. There's no coverage to speak of and it doesn't oxidize or turn funny colors. It goes on skin tone and stays skin tone. It dries to a semi-matte finish - not shiny at all, but not as matte as others. Oil-control is fair. It doesn't make me greasy at all, but my own natural oil does come through eventually. It looks really natural to me and wears well under mineral makeup.
It's very transfer resistant and stays put all day. This is moderately sweat-resistant. I went fishing for three hours in the sun, and this product held up. It doesn't run and it barely rubs off (even under a sweaty hat-band). I don't know how well it would hold up to swimming or vigorous exercise, but I imagine it would perform well.
I think the price is high for the amount you get (1.7 ounces), but I'm also pretty cheap. I may be able to justify the price because it's everything I'm looking for in a face sunscreen.